diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f3bbb8329..9464fe040 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,7 +53,9 @@ jobs:
 
   build:
     name: Build charm
-    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@v31.0.1
+    uses: canonical/data-platform-workflows/.github/workflows/build_charm.yaml@s390x-test
+    with:
+      cache: false
 
   integration-test:
     name: Integration test charm
diff --git a/charmcraft.yaml b/charmcraft.yaml
index e721f726f..388655030 100644
--- a/charmcraft.yaml
+++ b/charmcraft.yaml
@@ -5,6 +5,7 @@ type: charm
 platforms:
   ubuntu@22.04:amd64:
   ubuntu@22.04:arm64:
+  ubuntu@22.04:s390x:
 # Files implicitly created by charmcraft without a part:
 # - dispatch (https://github.com/canonical/charmcraft/pull/1898)
 # - manifest.yaml