diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 71274c4..e987838 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
     - name: Build the container image
       run: docker build . -t html5validator
     - name: Verify validation (HTML, CSS, SVG)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5c6d567..61100bb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,7 +8,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v5
     - name: Build the container image
       run: docker build . -t html5validator
     - name: Verify validation (HTML, CSS, SVG)