diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab25122..e35197b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ jobs:
   compile:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Setup Node.js
diff --git a/.github/workflows/buildpack-integration-test.yml b/.github/workflows/buildpack-integration-test.yml
index 650b038..ab44005 100644
--- a/.github/workflows/buildpack-integration-test.yml
+++ b/.github/workflows/buildpack-integration-test.yml
@@ -91,7 +91,7 @@ jobs:
           GITHUB_CONTEXT: ${{ toJSON(github) }}
         run: echo "$GITHUB_CONTEXT"
       - name: Checkout functions-framework-conformance
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: 'GoogleCloudPlatform/functions-framework-conformance'
           ref: ${{ inputs.conformance-action-version }}
@@ -157,7 +157,7 @@ jobs:
         run: echo "$HOME/go/bin" >> $GITHUB_PATH
       - name: Check out repository
         if: ${{ matrix.builder-source }}
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Prerun script
         if: ${{ matrix.builder-source && inputs.prerun }}
         run: bash -x ${{ inputs.prerun }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 323aba4..04768a1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
   run-conformance:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: actions/setup-go@v5
       with:
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index 823fde3..b3a24ee 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Go
         uses: actions/setup-go@v5