diff --git a/.github/workflows/run_gradle_task.yml b/.github/workflows/run_gradle_task.yml
index 4365f94..74f7653 100644
--- a/.github/workflows/run_gradle_task.yml
+++ b/.github/workflows/run_gradle_task.yml
@@ -75,7 +75,7 @@ jobs:
       ### Gradle task ###
 
       - name: Checkout the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ inputs.checkout-ref || github.event.repository.default_branch }}
 
diff --git a/.github/workflows/run_publish_site.yml b/.github/workflows/run_publish_site.yml
index 160e70e..d07e780 100644
--- a/.github/workflows/run_publish_site.yml
+++ b/.github/workflows/run_publish_site.yml
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout the repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ inputs.checkout-ref || github.event.repository.default_branch }}