diff --git a/.github/workflows/phpdoc.yml b/.github/workflows/phpdoc.yml
index fa81e14f..278423e1 100644
--- a/.github/workflows/phpdoc.yml
+++ b/.github/workflows/phpdoc.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 78a7a1fe..310bf262 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
index 39de30d6..141c43f3 100644
--- a/.github/workflows/update-changelog.yml
+++ b/.github/workflows/update-changelog.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: main