diff --git a/ci-operator/config/openshift/microshift/openshift-microshift-main.yaml b/ci-operator/config/openshift/microshift/openshift-microshift-main.yaml
index e6a32dc562361..4e5c5349c27cd 100644
--- a/ci-operator/config/openshift/microshift/openshift-microshift-main.yaml
+++ b/ci-operator/config/openshift/microshift/openshift-microshift-main.yaml
@@ -7,7 +7,7 @@ build_root:
   image_stream_tag:
     name: release
     namespace: openshift
-    tag: rhel-9-release-golang-1.20-openshift-4.15
+    tag: rhel-9-release-golang-1.21-openshift-4.16
 images:
 - dockerfile_literal: |
     FROM src