diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f85860e..492c3b1 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -89,7 +89,7 @@ jobs:
 
       - name: Checkout repository
         if: ${{ env.run-build == 'true' }}
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Customizing lmic_project_config.h (LMIC_ENABLE_DeviceTimeReq)
         if: ${{ env.run-build == 'true' }}