diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d25740efe..6f78f9c23 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/lighthouse.yml b/.github/workflows/lighthouse.yml
index d67a2c9bc..5d3262ee0 100644
--- a/.github/workflows/lighthouse.yml
+++ b/.github/workflows/lighthouse.yml
@@ -5,7 +5,7 @@ jobs:
   lighthouse:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
diff --git a/.github/workflows/playwright.yml b/.github/workflows/playwright.yml
index 3e5ae887c..ad2b3a021 100644
--- a/.github/workflows/playwright.yml
+++ b/.github/workflows/playwright.yml
@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-node@v6
       with:
         node-version: 24
diff --git a/.github/workflows/repomix.yml b/.github/workflows/repomix.yml
index b49325c55..529a54699 100644
--- a/.github/workflows/repomix.yml
+++ b/.github/workflows/repomix.yml
@@ -16,7 +16,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # fetch all history for better context