diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 60e6fb9..df7e980 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: pnpm/action-setup@v4
               with:
                   version: latest
@@ -36,7 +36,7 @@ jobs:
                     - 'esp'
                     - 'simulator'
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: Run clang-format style check for C/C++/Protobuf programs.
               uses: jidicula/clang-format-action@v4.15.0
               with:
@@ -48,7 +48,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: pnpm/action-setup@v4
               with:
                   version: latest
@@ -67,7 +67,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: pnpm/action-setup@v4
               with:
                   version: latest
@@ -86,7 +86,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: pnpm/action-setup@v4
               with:
                   version: latest
@@ -105,7 +105,7 @@ jobs:
         runs-on: ubuntu-latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - name: actionlint
               uses: raven-actions/actionlint@v2
 
@@ -115,7 +115,7 @@ jobs:
 
         steps:
             - name: Checkout
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
             - name: Build ESP binaries
               uses: ./.github/actions/build-esp
             - name: Archive build output artifacts
@@ -132,7 +132,7 @@ jobs:
         container: joined/sdl2:latest
 
         steps:
-            - uses: actions/checkout@v5
+            - uses: actions/checkout@v6
             - uses: actions/cache@v4
               with:
                   path: |
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 8ef1cf8..c4807a8 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -25,7 +25,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
             - name: Build ESP binaries
               continue-on-error: true
               uses: ./.github/actions/build-esp