diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0245845..5ac9838 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Hadolint
-        uses: hadolint/hadolint-action@v3.3.0
+        uses: hadolint/hadolint-action@v3.4.0
         with:
           dockerfile: ${{ matrix.dockerfile }}   # <-- genau 1 Datei
           config: .hadolint.yaml