diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ba92714..2be4f7a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Check out the codebase.
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: 'ganto.acme_tiny'
 
@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - name: Check out the codebase.
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: 'ganto.acme_tiny'
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index db9bfe8..5eb8926 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the codebase.
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: 'ganto.acme_tiny'