diff --git a/.github/workflows/synkronus-cli-docker.yml b/.github/workflows/synkronus-cli-docker.yml
index 1f1f3aa6a..2b7d94844 100644
--- a/.github/workflows/synkronus-cli-docker.yml
+++ b/.github/workflows/synkronus-cli-docker.yml
@@ -113,7 +113,7 @@ jobs:
 
       - name: Compute image metadata (scratch tag)
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6
         with:
           images: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
@@ -177,7 +177,7 @@ jobs:
 
       - name: Compute image metadata (scratch tag)
         id: meta
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6
         with:
           images: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
@@ -225,7 +225,7 @@ jobs:
 
       - name: Compute image tags and labels
         id: tags
-        uses: docker/metadata-action@v6
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6
         with:
           images: |
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}