diff --git a/Dockerfile.rhtap b/Dockerfile.rhtap
index ad33f68e..49a74659 100644
--- a/Dockerfile.rhtap
+++ b/Dockerfile.rhtap
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_9_1.26 as builder
+FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_9_1.26@sha256:8bca01ace56d684c43f59d9c60c8e9516ee30c46e7d7357c2f9b526369d3fddf as builder
 
 WORKDIR /workspace
 COPY . .