diff --git a/images/openshift-golang-builder.yml b/images/openshift-golang-builder.yml
index c3cd1ec6ea..f52243c2ce 100644
--- a/images/openshift-golang-builder.yml
+++ b/images/openshift-golang-builder.yml
@@ -43,7 +43,7 @@ konflux:
     artifact_lockfile:
       resources:
       - https://ocp-artifacts.engineering.redhat.com/pub/RHOCP/build-deps/openshift-golang-builder/cross.tar.gz
-  network_mode: open
+  network_mode: hermetic
   content:
     source:
       modifications: