diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 315b6a7..7568bc8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -100,7 +100,7 @@ jobs:
             org.opencontainers.image.title=Muster
             org.opencontainers.image.description=Shared workspace for human and agent-driven security operations
             org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
-      - uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+      - uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         id: build
         with:
           context: .
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index dd70998..02e9a07 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -53,7 +53,7 @@ jobs:
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
       - uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3
-      - uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
+      - uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a # v7.3.0
         with:
           context: .
           load: true