diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index e04b231a..ce21bb81 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -191,7 +191,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           path: source
       - name: initial cabal.project for sdist
diff --git a/.github/workflows/stack.yml b/.github/workflows/stack.yml
index 2eed5dc7..f90f9e6d 100644
--- a/.github/workflows/stack.yml
+++ b/.github/workflows/stack.yml
@@ -39,7 +39,7 @@ jobs:
         shell: bash
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Haskell
         uses: haskell-actions/setup@v2
diff --git a/.github/workflows/system-tests.yml b/.github/workflows/system-tests.yml
index 0d6a4d2e..e99da4d7 100644
--- a/.github/workflows/system-tests.yml
+++ b/.github/workflows/system-tests.yml
@@ -32,7 +32,7 @@ jobs:
           env
 
       - name: checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: build test image
         run: |