diff --git a/.github/workflows/test-and-release.yml b/.github/workflows/test-and-release.yml
index ce7758a..181475b 100644
--- a/.github/workflows/test-and-release.yml
+++ b/.github/workflows/test-and-release.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}-latest
     steps:
       - name: Checkout the action
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: action
           submodules: recursive
@@ -44,7 +44,7 @@ jobs:
       )
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.DEPLOYMENT_TOKEN }}
           submodules: recursive
diff --git a/action.yml b/action.yml
index 23b338b..cefc303 100644
--- a/action.yml
+++ b/action.yml
@@ -16,7 +16,7 @@ runs:
   using: composite
   steps:
     - name: Checkout the repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         path: repo
         submodules: recursive
@@ -26,7 +26,7 @@ runs:
       with:
         dotnet-version: 3.1.x
     - name: Get the Microsoft DTDL Validator software
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         path: dtdl-microsoft-validator
         repository: Azure-Samples/DTDL-Validator