diff --git a/.github/actions/update_version/action.yaml b/.github/actions/update_version/action.yaml
index 23e6be16..fa7002da 100644
--- a/.github/actions/update_version/action.yaml
+++ b/.github/actions/update_version/action.yaml
@@ -11,7 +11,7 @@ runs:
   using: composite
   steps:
     - name: Update the worktree
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       with:
         ref: ${{ github.ref_name }}
         token: ${{ inputs.token }}
@@ -37,7 +37,7 @@ runs:
         git push origin "${{ github.ref_name }}"
 
     - name: Update the worktree, revert to the default token
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       with:
         ref: ${{ github.ref_name }}
         token: ${{ github.token }}
diff --git a/.github/workflows/gradle-dependency-submit.yaml b/.github/workflows/gradle-dependency-submit.yaml
index 682e3032..407e6c78 100644
--- a/.github/workflows/gradle-dependency-submit.yaml
+++ b/.github/workflows/gradle-dependency-submit.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
-      uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
     - name: Set up JDK 21
       uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5
       with:
diff --git a/.github/workflows/gradle-wrapper-validation.yml b/.github/workflows/gradle-wrapper-validation.yml
index 48c2aaed..a93f81b3 100644
--- a/.github/workflows/gradle-wrapper-validation.yml
+++ b/.github/workflows/gradle-wrapper-validation.yml
@@ -6,5 +6,5 @@ jobs:
     name: "Validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: gradle/actions/wrapper-validation@v5
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index db15c9f1..fc7c1062 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 50
         submodules: true
diff --git a/.github/workflows/release-test.yml b/.github/workflows/release-test.yml
index f0919498..e0029827 100644
--- a/.github/workflows/release-test.yml
+++ b/.github/workflows/release-test.yml
@@ -26,7 +26,7 @@ jobs:
     name: 'Calcite Avatica ${{ matrix.gradle-version }}'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 50
         submodules: true
@@ -79,7 +79,7 @@ jobs:
     name: 'Calcite ${{ matrix.gradle-version }}'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 50
         submodules: true
@@ -132,7 +132,7 @@ jobs:
     name: 'JMeter ${{ matrix.gradle-version }}'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 50
         submodules: true
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index e0d7a60b..d8049551 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -38,7 +38,7 @@ jobs:
           fi
 
       - name: Checkout code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           submodules: true