diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 04ca720a1..b61fd2f8b 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -36,7 +36,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index bdc8a31ca..13b9424ca 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Cache Docker layers
         uses: actions/cache@v4
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index cff2cb593..2ea428a07 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -6,7 +6,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Install Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/landing-page.yml b/.github/workflows/landing-page.yml
index 76a8f3a9d..b90753197 100644
--- a/.github/workflows/landing-page.yml
+++ b/.github/workflows/landing-page.yml
@@ -10,7 +10,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 3db4ccf47..66f8c3cb2 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -19,7 +19,7 @@ jobs:
       id-token: write
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/run.yml b/.github/workflows/run.yml
index 5ca0cf36c..bd036d36b 100644
--- a/.github/workflows/run.yml
+++ b/.github/workflows/run.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: cygwin/cygwin-install-action@master
 
@@ -52,7 +52,7 @@ jobs:
     runs-on: ${{ matrix.platform }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c93be5415..44d2f00ff 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Setup Python
         uses: actions/setup-python@v5
diff --git a/action.yml b/action.yml
index 223a4cab5..8daaa73c4 100644
--- a/action.yml
+++ b/action.yml
@@ -20,7 +20,7 @@ runs:
   using: 'composite'
   steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Setup Python
       uses: actions/setup-python@v5
       with: