diff --git a/.github/workflows/check-code-style.yml b/.github/workflows/check-code-style.yml
index f85cfae1f..271084593 100644
--- a/.github/workflows/check-code-style.yml
+++ b/.github/workflows/check-code-style.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # brew install sbt; cd graphql-java-codegen-sbt-plugin; sbt fmt or sbt check
       - name: Check Scala Code Style
diff --git a/.github/workflows/github.yml b/.github/workflows/github.yml
index f37aa3bd4..6b0369307 100644
--- a/.github/workflows/github.yml
+++ b/.github/workflows/github.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         jdk-version: [ 8, 11, 17 ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Java ${{ matrix.jdk-version }}
         uses: actions/setup-java@v4
@@ -84,7 +84,7 @@ jobs:
     if: github.event_name != 'pull_request'    
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
          fetch-depth: 0
       - name: Setup Java
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 64124e7f1..840eb6083 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.inputs.release_branch }}
 
diff --git a/.github/workflows/update-version.yml b/.github/workflows/update-version.yml
index b8aed773c..3f0e64525 100644
--- a/.github/workflows/update-version.yml
+++ b/.github/workflows/update-version.yml
@@ -11,7 +11,7 @@ jobs:
   update-version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Update version of Maven plugin sub-project
         working-directory: plugins/maven/graphql-java-codegen-maven-plugin