diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 00000000..01ff8cad
--- /dev/null
+++ b/.github/workflows/Downgrade.yml
@@ -0,0 +1,29 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: ['1']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+      - uses: cjdoris/julia-downgrade-compat-action@v1
+#        if: ${{ matrix.version == '1.6' }}
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index ea55089d..82b0a555 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,7 +10,6 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MonteCarloIntegration = "4886b29c-78c9-11e9-0a6e-41e1f4161f7b"
 QuadGK = "1fd47b50-473d-5c70-9696-f719f8f3bcdc"
 Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
-Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 
 [weakdeps]
@@ -33,27 +32,26 @@ IntegralsZygoteExt = ["Zygote", "ChainRulesCore"]
 [compat]
 Aqua = "0.8"
 Arblib = "1"
-ChainRulesCore = "0.10.7, 1"
-CommonSolve = "0.2"
-Cuba = "2"
-Cubature = "1"
-Distributions = "0.23, 0.24, 0.25"
+ChainRulesCore = "1.16"
+CommonSolve = "0.2.4"
+Cuba = "2.2"
+Cubature = "1.5"
+Distributions = "0.25.87"
 FastGaussQuadrature = "0.5"
-FiniteDiff = "2"
-ForwardDiff = "0.10"
-HCubature = "1.4"
+FiniteDiff = "2.12"
+ForwardDiff = "0.10.19"
+HCubature = "1.5"
 LinearAlgebra = "1.9"
-MonteCarloIntegration = "0.0.1, 0.0.2, 0.0.3, 0.1"
+MonteCarloIntegration = "0.0.3, 0.1"
 Pkg = "1"
 QuadGK = "2.9"
-Reexport = "0.2, 1.0"
-Requires = "1"
+Reexport = "1.0"
 SafeTestsets = "0.1"
 SciMLBase = "2.6"
-SciMLSensitivity = "7"
+SciMLSensitivity = "7.41"
 StaticArrays = "1"
 Test = "1"
-Zygote = "0.4.22, 0.5, 0.6"
+Zygote = "0.6.60"
 julia = "1.9"
 
 [extras]
diff --git a/src/Integrals.jl b/src/Integrals.jl
index 2c7eaabd..47faddc2 100644
--- a/src/Integrals.jl
+++ b/src/Integrals.jl
@@ -9,7 +9,6 @@ using Reexport, MonteCarloIntegration, QuadGK, HCubature
 using LinearAlgebra
 
 include("common.jl")
-include("init.jl")
 include("algorithms.jl")
 include("infinity_handling.jl")
 include("quadrules.jl")
diff --git a/src/init.jl b/src/init.jl
deleted file mode 100644
index fb12ef32..00000000
--- a/src/init.jl
+++ /dev/null
@@ -1,13 +0,0 @@
-@static if !isdefined(Base, :get_extension)
-    function __init__()
-        @require ForwardDiff="f6369f11-7733-5829-9624-2563aa707210" begin
-            include("../ext/IntegralsForwardDiffExt.jl")
-        end
-        @require Zygote="e88e6eb3-aa80-5325-afca-941959d7151f" begin
-            include("../ext/IntegralsZygoteExt.jl")
-        end
-        @require FastGaussQuadrature="442a2c76-b920-505d-bb47-c5924d526838" begin
-            include("../ext/IntegralsFastGaussQuadratureExt.jl")
-        end
-    end
-end