diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7ebe186..03ac918 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.1.0
 
       - name: Install Haskell
         id: "install-haskell"