diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 5927c80..080bc0f 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -5,7 +5,7 @@ jobs:
     name: Workflow Files
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: reviewdog/action-actionlint@v1
       with:
         fail_on_error: true
diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 9f7918d..e85af97 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
     - name: Code checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     
     - name: Build gRPC AS Container Image
       run: |
diff --git a/.github/workflows/rust-check.yml b/.github/workflows/rust-check.yml
index d4ccad1..a0ff351 100644
--- a/.github/workflows/rust-check.yml
+++ b/.github/workflows/rust-check.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: Code checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Install Rust toolchain (${{ env.RUSTC_VERSION }})
       run: |
@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Code checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1
 
@@ -152,7 +152,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Code checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 1