diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 607dd8a..3415253 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -35,26 +35,26 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.5.0
 
       # Install the cosign tool except on PR
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@f3c664df7af409cb4873aa5068053ba9d61a57b6
+        uses: sigstore/cosign-installer@9becc617647dfa20ae7b1151972e9b3a2c338a2b
         with:
-          cosign-release: 'v1.11.1'
+          cosign-release: 'v1.13.1'
 
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@dc7b9719a96d48369863986a06765841d7ea23f6
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325
       
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@49ed152c8eca782a232dede0303416e8f356c37b
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -64,7 +64,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@69f6fc9d46f2f8bf0d5491e4aabe0bb8c6a4678a
+        uses: docker/metadata-action@57396166ad8aefe6098280995947635806a0e6ea
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: type=raw,value=${{ env.IMAGE_TAG }}
@@ -73,7 +73,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
-        uses: docker/build-push-action@c84f38281176d4c9cdb1626ffafcd6b3911b5d94
+        uses: docker/build-push-action@c56af957549030174b10d6867f20e78cfd7debc5
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}