diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index b6d0384..a87f415 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
       with:
         fetch-depth: '0'
     - id: tagName