diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ccab77d..61ad8b5c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     - uses: actions/checkout@v7
       with:
         submodules: 'recursive'
-    - uses: haskell-actions/setup@v2
+    - uses: haskell-actions/setup@v2.11.0
       id: setup-haskell
       with:
         ghc-version: ${{ matrix.ghc }}
@@ -150,7 +150,7 @@ jobs:
     - uses: actions/checkout@v7
       with:
         submodules: 'recursive'
-    - uses: haskell-actions/setup@v2
+    - uses: haskell-actions/setup@v2.11.0
       with:
         stack-version: 'latest'
         enable-stack: true