diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index 87fd462..bdb04ff 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -150,7 +150,7 @@ jobs:
           - name: 9.12.1-alpha
             ghc_version: head
             cabal_version: 3.12.1.0
-            pack_options: GHCUP_GHC_OPTIONS="-u https://downloads.haskell.org/ghc/9.12.1-alpha1/ghc-9.12.20241014-x86_64-deb12-linux.tar.xz"
+            pack_options: GHCUP_GHC_OPTIONS="-u https://downloads.haskell.org/ghc/9.12.1-alpha1/ghc-9.12.20241014-x86_64-deb12-linux.tar.xz" DISABLE_TEST=y
             runner: ubuntu-latest
             ignore_error: false