diff --git a/.tekton/python-builder-pull-request.yaml b/.tekton/python-builder-pull-request.yaml
index 45349fb..60ec8a8 100644
--- a/.tekton/python-builder-pull-request.yaml
+++ b/.tekton/python-builder-pull-request.yaml
@@ -33,8 +33,9 @@ spec:
     value:
     - linux/x86_64
     - linux/arm64
-    - linux/s390x
-    - linux/ppc64le
+    # The Lightwell cluster does not support s390x or ppc64le yet.
+    # - linux/s390x
+    # - linux/ppc64le
   pipelineSpec:
     description: |
       This pipeline is ideal for building container images from a Containerfile while maintaining trust after pipeline customization.
diff --git a/.tekton/python-builder-push.yaml b/.tekton/python-builder-push.yaml
index e511f32..ef5ff4e 100644
--- a/.tekton/python-builder-push.yaml
+++ b/.tekton/python-builder-push.yaml
@@ -30,8 +30,9 @@ spec:
     value:
     - linux/x86_64
     - linux/arm64
-    - linux/s390x
-    - linux/ppc64le
+    # The Lightwell cluster does not support s390x or ppc64le yet.
+    # - linux/s390x
+    # - linux/ppc64le
   pipelineSpec:
     description: |
       This pipeline is ideal for building container images from a Containerfile while maintaining trust after pipeline customization.