diff --git a/source/stack-9.4.yaml b/source/stack-9.4.yaml
index 448a9387..9034c928 100644
--- a/source/stack-9.4.yaml
+++ b/source/stack-9.4.yaml
@@ -1,3 +1,3 @@
-resolver: lts-21.19
-compiler: ghc-9.4.7
+resolver: lts-21.25
+compiler: ghc-9.4.8
 compiler-check: newer-minor
diff --git a/source/stack-9.6.yaml b/source/stack-9.6.yaml
index 223fd89b..54648e91 100644
--- a/source/stack-9.6.yaml
+++ b/source/stack-9.6.yaml
@@ -1,3 +1,3 @@
-resolver: nightly-2023-11-10
+resolver: lts-22.0
 compiler: ghc-9.6.3
 compiler-check: newer-minor
diff --git a/source/stack-9.8.yaml b/source/stack-9.8.yaml
index 87f4b82b..4d024947 100644
--- a/source/stack-9.8.yaml
+++ b/source/stack-9.8.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2023-11-10
+resolver: nightly-2023-12-19
 compiler: ghc-9.8.1
 compiler-check: newer-minor
 
diff --git a/stack-9.4.yaml b/stack-9.4.yaml
index c143abea..ce2490cf 100644
--- a/stack-9.4.yaml
+++ b/stack-9.4.yaml
@@ -1,5 +1,5 @@
-resolver: lts-21.19
-compiler: ghc-9.4.7
+resolver: lts-21.25
+compiler: ghc-9.4.8
 compiler-check: newer-minor
 
 packages:
diff --git a/stack-9.6.yaml b/stack-9.6.yaml
index f23abb18..d7f14d91 100644
--- a/stack-9.6.yaml
+++ b/stack-9.6.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2023-11-10
+resolver: lts-22.0
 compiler: ghc-9.6.3
 compiler-check: newer-minor
 
diff --git a/stack-9.8.yaml b/stack-9.8.yaml
index 83923dfe..205c3841 100644
--- a/stack-9.8.yaml
+++ b/stack-9.8.yaml
@@ -1,4 +1,4 @@
-resolver: nightly-2023-11-10
+resolver: nightly-2023-12-19
 compiler: ghc-9.8.1
 compiler-check: newer-minor