diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e31d688..341cb66 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
         ghc: ['latest', '9.0.1', '8.10.7', '8.8.4']
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: haskell/actions/setup@v2.3.5
       id: setup-haskell-cabal
       with: