diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 9c9ac2f4a3e..615e0125eba 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -38,7 +38,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-20.04", "macos-latest", "windows-latest"]
-        ghc: ["9.4.2", "9.2.3", "9.0.2", "8.10.7", "8.8.4", "8.6.5", "8.4.4"]
+        ghc: ["9.4.2"]
         exclude:
           # corrupts GHA cache or the fabric of reality itself, see https://github.com/haskell/cabal/issues/8356
           - os: "windows-latest"