diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e72fbf31..8b8baf0d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,30 +13,21 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04, macOS-12, windows-2022]
-        cabal: ["3.6"]
+        cabal: ["3.8.1.0"]
         ghc:
           - "8.6.5"
           - "8.8.4"
           - "8.10.7"
           - "9.0.2"
-          - "9.2.5"
+          - "9.2.7"
+          - "9.4.4"
         exclude:
           # fails to build: "can't load framework: Cocoa (not found)"
           - os: macOS-12
-            ghc: 8.6.5
+            ghc: "8.6.5"
           # fails to build: "can't load framework: Cocoa (not found)"
           - os: macOS-12
-            ghc: 8.8.4
-          # haskell/actions/setup fails to install this version because of chocolatey: https://github.com/haskell/actions/issues/129
-          - os: windows-2022
-            ghc: 9.2.5
-        include:
-          # https://github.com/haskell/actions/issues/129 advises to use
-          # 9.2.5.1, but it's broken somehow too: GHC gets installed, but then
-          # chocolatey claims that "all install methods for ghc 9.2.5.1
-          # failed". So let's use the next big thing
-          - os: windows-2022
-            ghc: 9.2.6
+            ghc: "8.8.4"
 
     steps:
     - uses: actions/checkout@v2
@@ -81,7 +72,7 @@ jobs:
     strategy:
       matrix:
         stack: ["2.9.3"]
-        ghc: ["9.2.5"]
+        ghc: ["9.2.5"] # We want this to match the Stackage snapshot in stack.yaml
 
     steps:
     - uses: actions/checkout@v2
@@ -113,7 +104,7 @@ jobs:
     strategy:
       matrix:
         cabal: ["3.6"]
-        ghc: ["9.2.5"]
+        ghc: ["9.2.7"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/stack.yaml b/stack.yaml
index c794ed3a..ddafa89c 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: 'lts-20.10'
+resolver: 'lts-20.10' # If you change this, please update GHC version "stack / ghc" job in .github/workflows/main.yaml
 save-hackage-creds: false
 system-ghc: true
 skip-ghc-check: true