diff --git a/.github/workflows/coding_standards.yml b/.github/workflows/coding_standards.yml
index f175169..4c963b9 100644
--- a/.github/workflows/coding_standards.yml
+++ b/.github/workflows/coding_standards.yml
@@ -14,6 +14,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: OskarStark/php-cs-fixer-ga@master
+      - uses: docker://oskarstark/php-cs-fixer-ga
         with:
           args: --diff --dry-run