diff --git a/fads/btagging.go b/fads/btagging.go
index cdffb0b97..6fc8812e6 100644
--- a/fads/btagging.go
+++ b/fads/btagging.go
@@ -6,12 +6,12 @@ package fads
 
 import (
 	"math"
+	"math/rand/v2"
 	"reflect"
 	"sync"
 
 	"go-hep.org/x/hep/fmom"
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -74,7 +74,7 @@ func (tsk *BTagging) Configure(ctx fwk.Context) error {
 		return err
 	}
 
-	tsk.src = rand.New(rand.NewSource(tsk.seed))
+	tsk.src = rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	tsk.flat = distuv.Uniform{Min: 0, Max: 1, Src: tsk.src}
 	return err
 }
diff --git a/fads/calo.go b/fads/calo.go
index 3da152090..83c2efa58 100644
--- a/fads/calo.go
+++ b/fads/calo.go
@@ -7,12 +7,12 @@ package fads
 import (
 	"fmt"
 	"math"
+	"math/rand/v2"
 	"reflect"
 	"sort"
 	"sync"
 
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -206,7 +206,7 @@ func (tsk *Calorimeter) Configure(ctx fwk.Context) error {
 		return err
 	}
 
-	tsk.src = rand.New(rand.NewSource(tsk.seed))
+	tsk.src = rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	tsk.gauss = distuv.Normal{Mu: 0, Sigma: 1, Src: tsk.src}
 	return err
 }
diff --git a/fads/efficiency.go b/fads/efficiency.go
index 7f0f92ae5..34daafc69 100644
--- a/fads/efficiency.go
+++ b/fads/efficiency.go
@@ -5,11 +5,11 @@
 package fads
 
 import (
+	"math/rand/v2"
 	"reflect"
 	"sync"
 
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -42,7 +42,7 @@ func (tsk *Efficiency) Configure(ctx fwk.Context) error {
 
 func (tsk *Efficiency) StartTask(ctx fwk.Context) error {
 	var err error
-	src := rand.New(rand.NewSource(tsk.seed))
+	src := rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	tsk.dist = distuv.Uniform{Min: 0, Max: 1, Src: src}
 	return err
 }
diff --git a/fads/energy_smearing.go b/fads/energy_smearing.go
index 5eb335f14..96db3c931 100644
--- a/fads/energy_smearing.go
+++ b/fads/energy_smearing.go
@@ -6,12 +6,12 @@ package fads
 
 import (
 	"math"
+	"math/rand/v2"
 	"reflect"
 	"sync"
 
 	"go-hep.org/x/hep/fmom"
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -45,7 +45,7 @@ func (tsk *EnergySmearing) Configure(ctx fwk.Context) error {
 
 func (tsk *EnergySmearing) StartTask(ctx fwk.Context) error {
 	var err error
-	tsk.src = rand.New(rand.NewSource(tsk.seed))
+	tsk.src = rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	return err
 }
 
diff --git a/fads/momentum_smearing.go b/fads/momentum_smearing.go
index 443a9c738..c4e22f077 100644
--- a/fads/momentum_smearing.go
+++ b/fads/momentum_smearing.go
@@ -6,12 +6,12 @@ package fads
 
 import (
 	"math"
+	"math/rand/v2"
 	"reflect"
 	"sync"
 
 	"go-hep.org/x/hep/fmom"
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -45,7 +45,7 @@ func (tsk *MomentumSmearing) Configure(ctx fwk.Context) error {
 
 func (tsk *MomentumSmearing) StartTask(ctx fwk.Context) error {
 	var err error
-	tsk.src = rand.New(rand.NewSource(tsk.seed))
+	tsk.src = rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	return err
 }
 
diff --git a/fads/tautagging.go b/fads/tautagging.go
index 4835985dc..d647bbe11 100644
--- a/fads/tautagging.go
+++ b/fads/tautagging.go
@@ -6,12 +6,12 @@ package fads
 
 import (
 	"math"
+	"math/rand/v2"
 	"reflect"
 	"sync"
 
 	"go-hep.org/x/hep/fmom"
 	"go-hep.org/x/hep/fwk"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -90,7 +90,7 @@ func (tsk *TauTagging) Configure(ctx fwk.Context) error {
 		return err
 	}
 
-	tsk.src = rand.New(rand.NewSource(tsk.seed))
+	tsk.src = rand.New(rand.NewPCG(tsk.seed, tsk.seed))
 	tsk.flat = distuv.Uniform{Min: 0, Max: 1, Src: tsk.src}
 	return err
 }
diff --git a/fit/curve_nd_test.go b/fit/curve_nd_test.go
index a12221fc6..de401713e 100644
--- a/fit/curve_nd_test.go
+++ b/fit/curve_nd_test.go
@@ -5,9 +5,8 @@
 package fit_test
 
 import (
+	"math/rand/v2"
 	"testing"
-
-	"golang.org/x/exp/rand"
 )
 
 func TestCurve2D(t *testing.T) {
@@ -18,7 +17,7 @@ func genData2D(n0, n1 int, f func(x, ps []float64) float64, ps []float64, x0min,
 	var (
 		xdata  = make([][]float64, n0*n1)
 		ydata  = make([]float64, n0*n1)
-		rnd    = rand.New(rand.NewSource(1234))
+		rnd    = rand.New(rand.NewPCG(1234, 1234))
 		x0step = (x0max - x0min) / float64(n0)
 		x1step = (x1max - x1min) / float64(n1)
 		p      = make([]float64, len(ps))
diff --git a/fit/hist_example_test.go b/fit/hist_example_test.go
index fe9977940..4a0bdd16b 100644
--- a/fit/hist_example_test.go
+++ b/fit/hist_example_test.go
@@ -8,11 +8,11 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/fit"
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/floats"
 	"gonum.org/v1/gonum/optimize"
 	"gonum.org/v1/gonum/stat/distuv"
@@ -25,7 +25,7 @@ func ExampleH1D_gaussian() {
 		mean  = 2.0
 		sigma = 4.0
 		// Values from gonum/optimize:
-		want = []float64{447.0483517081991, 2.02127773281178, 3.9965893891862687}
+		want = []float64{450.56454241860934, 2.0146898541006277, 3.9613086671267466}
 		// Values from ROOT:
 		// want  = []float64{4.53720e+02, 1.93218e+00, 3.93188e+00}
 	)
@@ -36,7 +36,7 @@ func ExampleH1D_gaussian() {
 	dist := distuv.Normal{
 		Mu:    mean,
 		Sigma: sigma,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
diff --git a/fit/testdata/2d-plane-plot_golden.png b/fit/testdata/2d-plane-plot_golden.png
index e3cc9f950..71f86fdf0 100644
Binary files a/fit/testdata/2d-plane-plot_golden.png and b/fit/testdata/2d-plane-plot_golden.png differ
diff --git a/fit/testdata/h1d-gauss-plot_golden.png b/fit/testdata/h1d-gauss-plot_golden.png
index eeaf44465..1e41cec16 100644
Binary files a/fit/testdata/h1d-gauss-plot_golden.png and b/fit/testdata/h1d-gauss-plot_golden.png differ
diff --git a/groot/rhist/hist_example_test.go b/groot/rhist/hist_example_test.go
index 5713f5105..f6bb30e66 100644
--- a/groot/rhist/hist_example_test.go
+++ b/groot/rhist/hist_example_test.go
@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"fmt"
 	"log"
+	"math/rand/v2"
 	"os"
 	"testing"
 
@@ -18,7 +19,6 @@ import (
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hbook/rootcnv"
 	"go-hep.org/x/hep/hbook/yodacnv"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -38,7 +38,7 @@ func ExampleCreate_histo1D() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -87,12 +87,12 @@ func ExampleCreate_histo1D() {
 
 	// Output:
 	// original histo:
-	// w-mean:    0.0023919
-	// w-rms:     1.0628679
+	// w-mean:    -0.0010939
+	// w-rms:     1.0575275
 	//
 	// histo read back:
-	// r-mean:    0.0023919
-	// r-rms:     1.0628679
+	// r-mean:    -0.0010939
+	// r-rms:     1.0575275
 }
 
 func ExampleCreate_histo2D() {
@@ -111,7 +111,7 @@ func ExampleCreate_histo2D() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -166,16 +166,16 @@ func ExampleCreate_histo2D() {
 
 	// Output:
 	// original histo:
-	// w-mean-x:    +0.046442
-	// w-rms-x:     +1.231044
-	// w-mean-y:    -0.018977
-	// w-rms-y:     +1.253143
+	// w-mean-x:    +0.016810
+	// w-rms-x:     +1.256504
+	// w-mean-y:    +0.030289
+	// w-rms-y:     +1.300039
 	//
 	// histo read back:
-	// w-mean-x:    +0.046442
-	// w-rms-x:     +1.231044
-	// w-mean-y:    -0.018977
-	// w-rms-y:     +1.253143
+	// w-mean-x:    +0.016810
+	// w-rms-x:     +1.256504
+	// w-mean-y:    +0.030289
+	// w-rms-y:     +1.300039
 }
 
 func TestH1(t *testing.T) {
@@ -185,7 +185,7 @@ func TestH1(t *testing.T) {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -285,7 +285,7 @@ func TestH2(t *testing.T) {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
diff --git a/groot/rtree/writer_test.go b/groot/rtree/writer_test.go
index b8149d780..4d1fff2ee 100644
--- a/groot/rtree/writer_test.go
+++ b/groot/rtree/writer_test.go
@@ -7,6 +7,7 @@ package rtree
 import (
 	"compress/flate"
 	"fmt"
+	"math/rand/v2"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -16,7 +17,6 @@ import (
 	"go-hep.org/x/hep/groot/internal/rcompress"
 	"go-hep.org/x/hep/groot/rbase"
 	"go-hep.org/x/hep/groot/riofs"
-	"golang.org/x/exp/rand"
 )
 
 func TestFlattenArrayType(t *testing.T) {
@@ -143,9 +143,9 @@ func TestConcurrentWrite(t *testing.T) {
 			}
 			defer w.Close()
 
-			rng := rand.New(rand.NewSource(1234))
+			rng := rand.New(rand.NewPCG(1234, 1234))
 			for i := 0; i < 100; i++ {
-				evt.N = rng.Int31n(10) + 1
+				evt.N = rng.Int32N(10) + 1
 				evt.Sli = evt.Sli[:0]
 				for j := 0; j < int(evt.N); j++ {
 					evt.Sli = append(evt.Sli, rng.Float64())
@@ -288,9 +288,9 @@ func TestWriterWithCompression(t *testing.T) {
 			}
 			defer w.Close()
 
-			rng := rand.New(rand.NewSource(1234))
+			rng := rand.New(rand.NewPCG(1234, 1234))
 			for i := 0; i < 100; i++ {
-				evt.N = rng.Int31n(10) + 1
+				evt.N = rng.Int32N(10) + 1
 				evt.Sli = evt.Sli[:0]
 				for j := 0; j < int(evt.N); j++ {
 					evt.Sli = append(evt.Sli, rng.Float64())
diff --git a/hbook/h1d_example_test.go b/hbook/h1d_example_test.go
index 16033d3bb..e3e6453dd 100644
--- a/hbook/h1d_example_test.go
+++ b/hbook/h1d_example_test.go
@@ -7,9 +7,9 @@ package hbook_test
 import (
 	"fmt"
 	"math"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -20,7 +20,7 @@ func ExampleH1D() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -34,16 +34,16 @@ func ExampleH1D() {
 	h.FillN([]float64{1, 2, 3}, []float64{1, 1, 1})
 	h.FillN([]float64{1, 2, 3}, nil) // all weights are 1.
 
-	fmt.Printf("mean:    %v\n", h.XMean())
-	fmt.Printf("rms:     %v\n", h.XRMS())
-	fmt.Printf("std-dev: %v\n", h.XStdDev())
-	fmt.Printf("std-err: %v\n", h.XStdErr())
+	fmt.Printf("mean:    %.12f\n", h.XMean())
+	fmt.Printf("rms:     %.12f\n", h.XRMS())
+	fmt.Printf("std-dev: %.12f\n", h.XStdDev())
+	fmt.Printf("std-err: %.12f\n", h.XStdErr())
 
 	// Output:
-	// mean:    0.005589967511734562
-	// rms:     1.0062596231244403
-	// std-dev: 1.0062943821322063
-	// std-err: 0.010059926295994191
+	// mean:    0.002104228518
+	// rms:     1.000617135827
+	// std-dev: 1.000664927794
+	// std-err: 0.010003648633
 }
 
 func ExampleAddH1D() {
diff --git a/hbook/h2d_example_test.go b/hbook/h2d_example_test.go
index 93bf09e0b..01e41b709 100644
--- a/hbook/h2d_example_test.go
+++ b/hbook/h2d_example_test.go
@@ -6,9 +6,9 @@ package hbook_test
 
 import (
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/mat"
 	"gonum.org/v1/gonum/stat/distmv"
 )
@@ -21,7 +21,7 @@ func ExampleH2D() {
 	dist, ok := distmv.NewNormal(
 		[]float64{0, 1},
 		mat.NewSymDense(2, []float64{4, 0, 0, 2}),
-		rand.New(rand.NewSource(1234)),
+		rand.New(rand.NewPCG(1234, 1234)),
 	)
 	if !ok {
 		log.Fatalf("error creating distmv.Normal")
diff --git a/hbook/p1d_example_test.go b/hbook/p1d_example_test.go
index 37d4126f7..3235d7248 100644
--- a/hbook/p1d_example_test.go
+++ b/hbook/p1d_example_test.go
@@ -7,9 +7,9 @@ package hbook_test
 import (
 	"fmt"
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/mat"
 	"gonum.org/v1/gonum/stat/distmv"
 )
@@ -21,7 +21,7 @@ func ExampleP1D() {
 	dist, ok := distmv.NewNormal(
 		[]float64{0, 1},
 		mat.NewSymDense(2, []float64{4, 0, 0, 2}),
-		rand.New(rand.NewSource(1234)),
+		rand.New(rand.NewPCG(1234, 1234)),
 	)
 	if !ok {
 		log.Fatalf("error creating distmv.Normal")
@@ -41,8 +41,8 @@ func ExampleP1D() {
 	fmt.Printf("std-err: %v\n", p.XStdErr())
 
 	// Output:
-	// mean:    0.11198383683853215
-	// rms:     2.0240892891977125
-	// std-dev: 2.0220003848882695
-	// std-err: 0.06394126645984038
+	// mean:    0.0965063103552738
+	// rms:     2.0024868956390707
+	// std-dev: 2.0011608991313086
+	// std-err: 0.06328226405725404
 }
diff --git a/hbook/rand_h1d.go b/hbook/rand_h1d.go
index 6fc9a4d48..0c1e6dd44 100644
--- a/hbook/rand_h1d.go
+++ b/hbook/rand_h1d.go
@@ -5,9 +5,9 @@
 package hbook
 
 import (
+	"math/rand/v2"
 	"sort"
 
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
diff --git a/hbook/rand_h1d_example_test.go b/hbook/rand_h1d_example_test.go
index 280b87d39..08ef7cfb1 100644
--- a/hbook/rand_h1d_example_test.go
+++ b/hbook/rand_h1d_example_test.go
@@ -8,13 +8,13 @@ import (
 	"fmt"
 	"image/color"
 	"log"
+	"math/rand/v2"
 	"os"
 	"path"
 	"testing"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/cmpimg"
 	"gonum.org/v1/plot/vg"
@@ -24,7 +24,7 @@ func ExampleRand1D() {
 	const N = 10000
 	var (
 		h1  = hbook.NewH1D(100, -10, 10)
-		src = rand.New(rand.NewSource(1234))
+		src = rand.New(rand.NewPCG(1234, 1234))
 		rnd = distuv.Normal{
 			Mu:    0,
 			Sigma: 2,
@@ -38,7 +38,7 @@ func ExampleRand1D() {
 
 	var (
 		h2 = hbook.NewH1D(100, -10, 10)
-		hr = hbook.NewRand1D(h1, rand.NewSource(5678))
+		hr = hbook.NewRand1D(h1, rand.NewPCG(5678, 5678))
 	)
 
 	for i := 0; i < N; i++ {
@@ -101,10 +101,10 @@ func ExampleRand1D() {
 	}
 
 	// Output:
-	// h1: mean=+0.020436 std-dev=+1.992307 +/- 0.019923
+	// h1: mean=+0.011317 std-dev=+2.027279 +/- 0.020273
 	// cdf(0)= +0.5
 	// cdf(1)= +0.7
-	// h2: mean=-0.003631 std-dev=+2.008359 +/- 0.020084
+	// h2: mean=-0.026749 std-dev=+2.022967 +/- 0.020230
 	// cdf(0)= +0.5
 	// cdf(1)= +0.7
 }
diff --git a/hbook/rand_h1d_test.go b/hbook/rand_h1d_test.go
index 5f1746248..b8a1a2fe1 100644
--- a/hbook/rand_h1d_test.go
+++ b/hbook/rand_h1d_test.go
@@ -5,11 +5,11 @@
 package hbook
 
 import (
+	"math/rand/v2"
 	"reflect"
 	"testing"
 
 	"github.com/google/go-cmp/cmp"
-	"golang.org/x/exp/rand"
 )
 
 func TestRand1D(t *testing.T) {
@@ -22,7 +22,7 @@ func TestRand1D(t *testing.T) {
 		3, 3, 3, 3, 3,
 	}, nil)
 
-	hr := NewRand1D(h1, rand.NewSource(1234))
+	hr := NewRand1D(h1, rand.NewPCG(1234, 1234))
 	h2 := NewH1DFromEdges(edges)
 
 	if got, want := hr.cdf, []float64{0, 0.1, 0.4, 0.5, 1}; !reflect.DeepEqual(got, want) {
@@ -82,17 +82,17 @@ Path: /
 Title: ""
 Type: Histo1D
 ---
-# Mean: 2.502788e+00
+# Mean: 2.494672e+00
 # Area: 1.000000e+00
 # ID	 ID	 sumw	 sumw2	 sumwx	 sumwx2	 numEntries
-Total   	Total   	1.000000e+00	1.000000e-03	2.502788e+00	7.531549e+00	1.000000e+03
+Total   	Total   	1.000000e+00	1.000000e-03	2.494672e+00	7.510616e+00	1.000000e+03
 Underflow	Underflow	0.000000e+00	0.000000e+00	0.000000e+00	0.000000e+00	0.000000e+00
 Overflow	Overflow	0.000000e+00	0.000000e+00	0.000000e+00	0.000000e+00	0.000000e+00
 # xlow	 xhigh	 sumw	 sumw2	 sumwx	 sumwx2	 numEntries
-0.000000e+00	1.000000e+00	9.200000e-02	9.200000e-05	4.339693e-02	2.823985e-02	9.200000e+01
-1.000000e+00	2.000000e+00	3.090000e-01	3.090000e-04	4.611849e-01	7.110522e-01	3.090000e+02
-2.000000e+00	3.000000e+00	8.700000e-02	8.700000e-05	2.154025e-01	5.413794e-01	8.700000e+01
-3.000000e+00	4.000000e+00	5.120000e-01	5.120000e-04	1.782804e+00	6.250877e+00	5.120000e+02
+0.000000e+00	1.000000e+00	9.800000e-02	9.800000e-05	4.971524e-02	3.505977e-02	9.800000e+01
+1.000000e+00	2.000000e+00	3.110000e-01	3.110000e-04	4.633349e-01	7.148637e-01	3.110000e+02
+2.000000e+00	3.000000e+00	8.900000e-02	8.900000e-05	2.272178e-01	5.882321e-01	8.900000e+01
+3.000000e+00	4.000000e+00	5.020000e-01	5.020000e-04	1.754404e+00	6.172460e+00	5.020000e+02
 END YODA_HISTO1D_V2
 
 `
diff --git a/hbook/rootcnv/root_test.go b/hbook/rootcnv/root_test.go
index 7da45ab63..3600ba87f 100644
--- a/hbook/rootcnv/root_test.go
+++ b/hbook/rootcnv/root_test.go
@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"fmt"
 	"log"
+	"math/rand/v2"
 	"reflect"
 	"runtime"
 	"testing"
@@ -19,7 +20,6 @@ import (
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hbook/rootcnv"
 	"go-hep.org/x/hep/hbook/yodacnv"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 )
 
@@ -383,7 +383,7 @@ func TestFromH1D(t *testing.T) {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -467,7 +467,7 @@ func TestFromH2D(t *testing.T) {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
diff --git a/hbook/testdata/rand_h1d_golden.png b/hbook/testdata/rand_h1d_golden.png
index 2ade7f927..e62ea4218 100644
Binary files a/hbook/testdata/rand_h1d_golden.png and b/hbook/testdata/rand_h1d_golden.png differ
diff --git a/hplot/band_example_test.go b/hplot/band_example_test.go
index 0dca8cff3..9d019b180 100644
--- a/hplot/band_example_test.go
+++ b/hplot/band_example_test.go
@@ -8,9 +8,9 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/plotter"
 	"gonum.org/v1/plot/vg"
@@ -28,7 +28,7 @@ func ExampleBand() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	topData := make(plotter.XYs, npoints)
diff --git a/hplot/binerrband_example_test.go b/hplot/binerrband_example_test.go
index 36cb26578..34021fa80 100644
--- a/hplot/binerrband_example_test.go
+++ b/hplot/binerrband_example_test.go
@@ -7,13 +7,12 @@ package hplot_test
 import (
 	"image/color"
 	"log"
-
-	"golang.org/x/exp/rand"
-	"gonum.org/v1/gonum/stat/distuv"
-	"gonum.org/v1/plot/vg"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
+	"gonum.org/v1/gonum/stat/distuv"
+	"gonum.org/v1/plot/vg"
 )
 
 // An example of making a colored binned error band
@@ -111,6 +110,6 @@ var (
 	gauss = distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 )
diff --git a/hplot/example_test.go b/hplot/example_test.go
index db944c68e..b679eb12d 100644
--- a/hplot/example_test.go
+++ b/hplot/example_test.go
@@ -8,11 +8,11 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"math/rand/v2"
 	"os"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/vg"
 	"gonum.org/v1/plot/vg/draw"
@@ -27,7 +27,7 @@ func Example_subplot() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -113,7 +113,7 @@ func Example_latexplot() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	hist := hbook.NewH1D(20, -4, +4)
diff --git a/hplot/h1d_example_test.go b/hplot/h1d_example_test.go
index 5c21908f6..ffb25715c 100644
--- a/hplot/h1d_example_test.go
+++ b/hplot/h1d_example_test.go
@@ -7,10 +7,10 @@ package hplot_test
 import (
 	"image/color"
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot"
 	"gonum.org/v1/plot/plotutil"
@@ -26,7 +26,7 @@ func ExampleH1D() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -79,7 +79,7 @@ func ExampleH1D_toPDF() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -180,7 +180,7 @@ func ExampleH1D_withYErrBars() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -237,7 +237,7 @@ func ExampleH1D_withYErrBars_withBand() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -295,7 +295,7 @@ func ExampleH1D_withYErrBarsAndData() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -363,7 +363,7 @@ func ExampleH1D_withPlotBorders() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	// Draw some random values from the standard
@@ -432,7 +432,7 @@ func ExampleH1D_legendStyle() {
 		dist := distuv.Normal{
 			Mu:    mu,
 			Sigma: sigma,
-			Src:   rand.New(rand.NewSource(uint64(id))),
+			Src:   rand.New(rand.NewPCG(uint64(id), uint64(id))),
 		}
 
 		// Draw some random values from the standard
diff --git a/hplot/h1d_test.go b/hplot/h1d_test.go
index 7a7ef6842..dc2659178 100644
--- a/hplot/h1d_test.go
+++ b/hplot/h1d_test.go
@@ -7,13 +7,13 @@ package hplot_test
 import (
 	"image/color"
 	"math"
+	"math/rand/v2"
 	"os"
 	"runtime"
 	"testing"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/cmpimg"
 	"gonum.org/v1/plot/vg"
@@ -69,7 +69,7 @@ func TestH1DWithBorders(t *testing.T) {
 		dist := distuv.Normal{
 			Mu:    0,
 			Sigma: 1,
-			Src:   rand.New(rand.NewSource(0)),
+			Src:   rand.New(rand.NewPCG(0, 0)),
 		}
 
 		// Draw some random values from the standard
diff --git a/hplot/h2d_example_test.go b/hplot/h2d_example_test.go
index 661acf1d7..44b03bf58 100644
--- a/hplot/h2d_example_test.go
+++ b/hplot/h2d_example_test.go
@@ -6,10 +6,10 @@ package hplot_test
 
 import (
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/mat"
 	"gonum.org/v1/gonum/stat/distmv"
 	"gonum.org/v1/plot/plotter"
@@ -24,7 +24,7 @@ func ExampleH2D() {
 	dist, ok := distmv.NewNormal(
 		[]float64{0, 1},
 		mat.NewSymDense(2, []float64{4, 0, 0, 2}),
-		rand.New(rand.NewSource(1234)),
+		rand.New(rand.NewPCG(1234, 1234)),
 	)
 	if !ok {
 		log.Fatalf("error creating distmv.Normal")
@@ -59,7 +59,7 @@ func ExampleH2D_withLegend() {
 	dist, ok := distmv.NewNormal(
 		[]float64{0, 1},
 		mat.NewSymDense(2, []float64{4, 0, 0, 2}),
-		rand.New(rand.NewSource(1234)),
+		rand.New(rand.NewPCG(1234, 1234)),
 	)
 	if !ok {
 		log.Fatalf("error creating distmv.Normal")
diff --git a/hplot/hstack_example_test.go b/hplot/hstack_example_test.go
index 2e0cc323c..372b78eb3 100644
--- a/hplot/hstack_example_test.go
+++ b/hplot/hstack_example_test.go
@@ -7,10 +7,10 @@ package hplot_test
 import (
 	"image/color"
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot"
 	"gonum.org/v1/plot/vg"
@@ -350,7 +350,7 @@ func fillH1(h *hbook.H1D, n int, mu, sigma float64, seed uint64) {
 	dist := distuv.Normal{
 		Mu:    mu,
 		Sigma: sigma,
-		Src:   rand.New(rand.NewSource(seed)),
+		Src:   rand.New(rand.NewPCG(seed, seed)),
 	}
 
 	for i := 0; i < n; i++ {
diff --git a/hplot/ratioplot_example_test.go b/hplot/ratioplot_example_test.go
index ec1296b2e..10d9fcf1b 100644
--- a/hplot/ratioplot_example_test.go
+++ b/hplot/ratioplot_example_test.go
@@ -8,10 +8,10 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/vg"
 )
@@ -24,7 +24,7 @@ func ExampleRatioPlot() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	hist1 := hbook.NewH1D(20, -4, +4)
diff --git a/hplot/s2d_example_test.go b/hplot/s2d_example_test.go
index f9f96941c..cf719c308 100644
--- a/hplot/s2d_example_test.go
+++ b/hplot/s2d_example_test.go
@@ -7,10 +7,10 @@ package hplot_test
 import (
 	"image/color"
 	"log"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/mat"
 	"gonum.org/v1/gonum/stat/distmv"
 	"gonum.org/v1/plot/plotter"
@@ -26,7 +26,7 @@ func ExampleS2D() {
 	dist, ok := distmv.NewNormal(
 		[]float64{0, 1},
 		mat.NewSymDense(2, []float64{4, 0, 0, 2}),
-		rand.New(rand.NewSource(1234)),
+		rand.New(rand.NewPCG(1234, 1234)),
 	)
 	if !ok {
 		log.Fatalf("error creating distmv.Normal")
diff --git a/hplot/testdata/band_golden.png b/hplot/testdata/band_golden.png
index 527863284..2d758cc30 100644
Binary files a/hplot/testdata/band_golden.png and b/hplot/testdata/band_golden.png differ
diff --git a/hplot/testdata/binnederrband_fromh1d_golden.png b/hplot/testdata/binnederrband_fromh1d_golden.png
index 2cb3a627f..741b2255e 100644
Binary files a/hplot/testdata/binnederrband_fromh1d_golden.png and b/hplot/testdata/binnederrband_fromh1d_golden.png differ
diff --git a/hplot/testdata/diff_plot_golden.png b/hplot/testdata/diff_plot_golden.png
index 09a384b7e..4b3126ec8 100644
Binary files a/hplot/testdata/diff_plot_golden.png and b/hplot/testdata/diff_plot_golden.png differ
diff --git a/hplot/testdata/h1d_borders_golden.png b/hplot/testdata/h1d_borders_golden.png
index b74dcd30e..5964f5d67 100644
Binary files a/hplot/testdata/h1d_borders_golden.png and b/hplot/testdata/h1d_borders_golden.png differ
diff --git a/hplot/testdata/h1d_glyphs_golden.png b/hplot/testdata/h1d_glyphs_golden.png
index 2c5fe369a..f8340852e 100644
Binary files a/hplot/testdata/h1d_glyphs_golden.png and b/hplot/testdata/h1d_glyphs_golden.png differ
diff --git a/hplot/testdata/h1d_legend_golden.png b/hplot/testdata/h1d_legend_golden.png
index 6a47e797d..15c975cf3 100644
Binary files a/hplot/testdata/h1d_legend_golden.png and b/hplot/testdata/h1d_legend_golden.png differ
diff --git a/hplot/testdata/h1d_plot_golden.pdf b/hplot/testdata/h1d_plot_golden.pdf
index 676dbf648..2c8e6459c 100644
Binary files a/hplot/testdata/h1d_plot_golden.pdf and b/hplot/testdata/h1d_plot_golden.pdf differ
diff --git a/hplot/testdata/h1d_plot_golden.png b/hplot/testdata/h1d_plot_golden.png
index d65d61025..38efc90c5 100644
Binary files a/hplot/testdata/h1d_plot_golden.png and b/hplot/testdata/h1d_plot_golden.png differ
diff --git a/hplot/testdata/h1d_yerrs_band_golden.png b/hplot/testdata/h1d_yerrs_band_golden.png
index b281cf870..b3f6ce350 100644
Binary files a/hplot/testdata/h1d_yerrs_band_golden.png and b/hplot/testdata/h1d_yerrs_band_golden.png differ
diff --git a/hplot/testdata/h1d_yerrs_golden.png b/hplot/testdata/h1d_yerrs_golden.png
index a6a9c528b..964255e65 100644
Binary files a/hplot/testdata/h1d_yerrs_golden.png and b/hplot/testdata/h1d_yerrs_golden.png differ
diff --git a/hplot/testdata/h2d_plot_golden.png b/hplot/testdata/h2d_plot_golden.png
index 92d031740..f05bfacce 100644
Binary files a/hplot/testdata/h2d_plot_golden.png and b/hplot/testdata/h2d_plot_golden.png differ
diff --git a/hplot/testdata/h2d_plot_legend_golden.png b/hplot/testdata/h2d_plot_legend_golden.png
index f8b2eb82e..76a4fdb44 100644
Binary files a/hplot/testdata/h2d_plot_legend_golden.png and b/hplot/testdata/h2d_plot_legend_golden.png differ
diff --git a/hplot/testdata/hstack_band_golden.png b/hplot/testdata/hstack_band_golden.png
index d5e30125c..2d2cc9395 100644
Binary files a/hplot/testdata/hstack_band_golden.png and b/hplot/testdata/hstack_band_golden.png differ
diff --git a/hplot/testdata/hstack_golden.png b/hplot/testdata/hstack_golden.png
index da5c4a2af..2aa5b71cc 100644
Binary files a/hplot/testdata/hstack_golden.png and b/hplot/testdata/hstack_golden.png differ
diff --git a/hplot/testdata/hstack_logy_golden.png b/hplot/testdata/hstack_logy_golden.png
index fcbb7ce36..6040e885f 100644
Binary files a/hplot/testdata/hstack_logy_golden.png and b/hplot/testdata/hstack_logy_golden.png differ
diff --git a/hplot/testdata/latex_plot_golden.tex b/hplot/testdata/latex_plot_golden.tex
index 7384c4e21..439d2ad70 100644
--- a/hplot/testdata/latex_plot_golden.tex
+++ b/hplot/testdata/latex_plot_golden.tex
@@ -192,39 +192,21 @@
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgftext[base,at={\pgfpoint{40.41455078125pt}{40.30859375pt}}]{{\fontsize{10pt}{10pt}\selectfont 0}}
+    \pgftext[base,at={\pgfpoint{34.85302734375pt}{76.27647048718745pt}}]{{\fontsize{10pt}{10pt}\selectfont 300}}
   \end{pgfscope}
   
   \begin{pgfscope}
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgftext[base,at={\pgfpoint{34.85302734375pt}{103.91756800654083pt}}]{{\fontsize{10pt}{10pt}\selectfont 500}}
+    \pgftext[base,at={\pgfpoint{34.85302734375pt}{148.93884773403076pt}}]{{\fontsize{10pt}{10pt}\selectfont 900}}
   \end{pgfscope}
   
   \begin{pgfscope}
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgftext[base,at={\pgfpoint{32.072265625pt}{167.52654226308167pt}}]{{\fontsize{10pt}{10pt}\selectfont 1000}}
-  \end{pgfscope}
-  
-  \begin{pgfscope}
-    \color[rgb]{0,0,0}
-    \pgfsetstrokeopacity{1}
-    \pgfsetfillopacity{1}
-    \pgftext[base,at={\pgfpoint{32.072265625pt}{231.1355165196225pt}}]{{\fontsize{10pt}{10pt}\selectfont 1500}}
-  \end{pgfscope}
-  
-  \begin{pgfscope}
-    \pgfsetdash{}{0pt}
-    \pgfsetlinewidth{0.5pt}
-    \color[rgb]{0,0,0}
-    \pgfsetstrokeopacity{1}
-    \pgfsetfillopacity{1}
-    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{42.828125pt}}
-    \pgflineto{\pgfpoint{53.9736328125pt}{42.828125pt}}
-    \pgfusepath{stroke}
+    \pgftext[base,at={\pgfpoint{32.072265625pt}{221.6012249808741pt}}]{{\fontsize{10pt}{10pt}\selectfont 1500}}
   \end{pgfscope}
   
   \begin{pgfscope}
@@ -233,8 +215,8 @@
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{106.43709925654083pt}}
-    \pgflineto{\pgfpoint{53.9736328125pt}{106.43709925654083pt}}
+    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{78.79600173718745pt}}
+    \pgflineto{\pgfpoint{53.9736328125pt}{78.79600173718745pt}}
     \pgfusepath{stroke}
   \end{pgfscope}
   
@@ -244,8 +226,8 @@
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{170.04607351308167pt}}
-    \pgflineto{\pgfpoint{53.9736328125pt}{170.04607351308167pt}}
+    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{151.45837898403076pt}}
+    \pgflineto{\pgfpoint{53.9736328125pt}{151.45837898403076pt}}
     \pgfusepath{stroke}
   \end{pgfscope}
   
@@ -255,8 +237,8 @@
     \color[rgb]{0,0,0}
     \pgfsetstrokeopacity{1}
     \pgfsetfillopacity{1}
-    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{233.6550477696225pt}}
-    \pgflineto{\pgfpoint{53.9736328125pt}{233.6550477696225pt}}
+    \pgfpathmoveto{\pgfpoint{45.9736328125pt}{224.1207562308741pt}}
+    \pgflineto{\pgfpoint{53.9736328125pt}{224.1207562308741pt}}
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+    \pgflineto{\pgfpoint{417.4160886749508pt}{224.1207562308741pt}}
     \pgfusepath{stroke}
   \end{pgfscope}
   
diff --git a/hplot/testdata/s2d_golden.png b/hplot/testdata/s2d_golden.png
index ccea1629d..470c5bb8a 100644
Binary files a/hplot/testdata/s2d_golden.png and b/hplot/testdata/s2d_golden.png differ
diff --git a/hplot/testdata/sub_plot_golden.png b/hplot/testdata/sub_plot_golden.png
index af75c4481..832e23039 100644
Binary files a/hplot/testdata/sub_plot_golden.png and b/hplot/testdata/sub_plot_golden.png differ
diff --git a/hplot/testdata/tiled_plot_histogram_golden.png b/hplot/testdata/tiled_plot_histogram_golden.png
index 8203348b6..c17977e7e 100644
Binary files a/hplot/testdata/tiled_plot_histogram_golden.png and b/hplot/testdata/tiled_plot_histogram_golden.png differ
diff --git a/hplot/tiledplot_example_test.go b/hplot/tiledplot_example_test.go
index 834753202..0fa649938 100644
--- a/hplot/tiledplot_example_test.go
+++ b/hplot/tiledplot_example_test.go
@@ -9,10 +9,10 @@ import (
 	"image/color"
 	"log"
 	"math"
+	"math/rand/v2"
 
 	"go-hep.org/x/hep/hbook"
 	"go-hep.org/x/hep/hplot"
-	"golang.org/x/exp/rand"
 	"gonum.org/v1/gonum/stat/distuv"
 	"gonum.org/v1/plot/vg"
 	"gonum.org/v1/plot/vg/draw"
@@ -26,7 +26,7 @@ func ExampleTiledPlot() {
 	dist := distuv.Normal{
 		Mu:    0,
 		Sigma: 1,
-		Src:   rand.New(rand.NewSource(0)),
+		Src:   rand.New(rand.NewPCG(0, 0)),
 	}
 
 	newHist := func(p *hplot.Plot) {