diff --git a/.github/workflows/buildtest.yml b/.github/workflows/buildtest.yml
index 8c397f13..0e95d322 100644
--- a/.github/workflows/buildtest.yml
+++ b/.github/workflows/buildtest.yml
@@ -12,7 +12,7 @@ jobs:
         go-version: [1.24.x]
         os: [ubuntu-24.04]
         goos: [linux]
-        goarch: [amd64, arm64, ppc64le]
+        goarch: [amd64, arm64, ppc64le, s390x]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Set up Go
diff --git a/.github/workflows/image-push-master.yml b/.github/workflows/image-push-master.yml
index 5b4fb52b..3aad4302 100644
--- a/.github/workflows/image-push-master.yml
+++ b/.github/workflows/image-push-master.yml
@@ -39,7 +39,7 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm64,linux/ppc64le
+          platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x
           tags: |
             ${{ env.IMAGE_NAME }}:latest
             ${{ env.IMAGE_NAME }}:${{ github.sha }}
diff --git a/.github/workflows/image-push-release.yml b/.github/workflows/image-push-release.yml
index 1af059b5..4735a581 100644
--- a/.github/workflows/image-push-release.yml
+++ b/.github/workflows/image-push-release.yml
@@ -43,7 +43,7 @@ jobs:
         with:
           context: .
           push: true
-          platforms: linux/amd64,linux/arm64,linux/ppc64le
+          platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x
           tags: |
             ${{ steps.docker_meta.outputs.tags }}
           labels: |