diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index c746aa2..03701ee 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -101,17 +101,17 @@ jobs:
           build-args: |
             BASE_IMAGE=alpine:latest
 
-      - name: Build and push Ubuntu
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: boky/postfix:latest-ubuntu
-          platforms: "linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x"
-          cache-from: type=local,src=/tmp/.buildx-cache/ubuntu
-          cache-to: type=local,dest=/tmp/.buildx-cache-new/ubuntu
-          build-args: |
-            BASE_IMAGE=ubuntu:focal
+#      - name: Build and push Ubuntu
+#        uses: docker/build-push-action@v2
+#        with:
+#          context: .
+#          push: true
+#          tags: boky/postfix:latest-ubuntu
+#          platforms: "linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x"
+#          cache-from: type=local,src=/tmp/.buildx-cache/ubuntu
+#          cache-to: type=local,dest=/tmp/.buildx-cache-new/ubuntu
+#          build-args: |
+#            BASE_IMAGE=ubuntu:focal
 
       - name: Move cache
         run: |
diff --git a/.github/workflows/tags.yml b/.github/workflows/tags.yml
index 24b6b31..46c65ff 100644
--- a/.github/workflows/tags.yml
+++ b/.github/workflows/tags.yml
@@ -101,17 +101,17 @@ jobs:
           build-args: |
             BASE_IMAGE=alpine:latest
 
-      - name: Build and push Ubuntu
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: boky/postfix:${{ env.RELEASE_VERSION }}-ubuntu
-          platforms: "linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x"
-          cache-from: type=local,src=/tmp/.buildx-cache/ubuntu
-          cache-to: type=local,dest=/tmp/.buildx-cache-new/ubuntu
-          build-args: |
-            BASE_IMAGE=ubuntu:focal
+#      - name: Build and push Ubuntu
+#        uses: docker/build-push-action@v2
+#        with:
+#          context: .
+#          push: true
+#          tags: boky/postfix:${{ env.RELEASE_VERSION }}-ubuntu
+#          platforms: "linux/amd64,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x"
+#          cache-from: type=local,src=/tmp/.buildx-cache/ubuntu
+#          cache-to: type=local,dest=/tmp/.buildx-cache-new/ubuntu
+#          build-args: |
+#            BASE_IMAGE=ubuntu:focal
 
       - name: Move cache
         run: |