diff --git a/pipelineruns/ml-metadata/.tekton/odh-mlmd-grpc-server-pull-request.yaml b/pipelineruns/ml-metadata/.tekton/odh-mlmd-grpc-server-pull-request.yaml
index 3c9506f2b..c69846a61 100644
--- a/pipelineruns/ml-metadata/.tekton/odh-mlmd-grpc-server-pull-request.yaml
+++ b/pipelineruns/ml-metadata/.tekton/odh-mlmd-grpc-server-pull-request.yaml
@@ -52,6 +52,8 @@ spec:
   - name: build-platforms
     value:
     - linux/x86_64
+    - linux-mxlarge/arm64
+    - linux/ppc64le
   - name: image-expires-after
     value: 5d
   taskRunSpecs: