diff --git a/Dockerfile.rhtap b/Dockerfile.rhtap
index 44cb03dd..39dd7283 100644
--- a/Dockerfile.rhtap
+++ b/Dockerfile.rhtap
@@ -1,4 +1,4 @@
-FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_8_1.20 AS builder
+FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_8_1.21 AS builder
 WORKDIR /go/src/github.com/open-cluster-management.io/managed-serviceaccount
 COPY . .
 RUN go env