diff --git a/Dockerfile.ocp b/Dockerfile.ocp
index 21db9851f72..954ff451868 100644
--- a/Dockerfile.ocp
+++ b/Dockerfile.ocp
@@ -1,12 +1,12 @@
 # Dockerfile used by OSBS and by prow CI.
-FROM registry.svc.ci.openshift.org/ocp/builder:golang-1.14 AS builder
+FROM registry.svc.ci.openshift.org/ocp/builder:rhel-8-golang-openshift-4.6 AS builder
 WORKDIR /go/src/github.com/coreos/prometheus-operator
 COPY . .
 ENV GO111MODULE=on
 ENV GOFLAGS="-mod=vendor"
 RUN OS=$(go env GOOS) ARCH=$(go env GOARCH) make operator-no-deps
 
-FROM registry.svc.ci.openshift.org/ocp/4.0:base
+FROM registry.svc.ci.openshift.org/ocp/4.6:base
 LABEL io.k8s.display-name="Prometheus Operator" \
       io.k8s.description="This component manages the lifecycle and configuration of a Prometheus monitoring server as well as Prometheus Alertmanager clusters." \
       io.openshift.tags="prometheus" \