diff --git a/.github/workflows/build-all-versions.yml b/.github/workflows/build-all-versions.yml
index 43f2cc9f4..46bd05b23 100644
--- a/.github/workflows/build-all-versions.yml
+++ b/.github/workflows/build-all-versions.yml
@@ -73,7 +73,7 @@ jobs:
     - uses: actions/checkout@v2
       if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'
 
-    - uses: actions/setup-haskell@v1.1
+    - uses: actions/setup-haskell@v1.1.4
       name: Setup Haskell Stack
       with:
         # ghc-version: ${{ matrix.ghc }}