diff --git a/kafka-resources/overlays/prod/kafka-schema-registry/schema-registry-deployment.yaml b/kafka-resources/overlays/prod/kafka-schema-registry/schema-registry-deployment.yaml
index 71d2920..fa45c31 100644
--- a/kafka-resources/overlays/prod/kafka-schema-registry/schema-registry-deployment.yaml
+++ b/kafka-resources/overlays/prod/kafka-schema-registry/schema-registry-deployment.yaml
@@ -17,6 +17,7 @@ spec:
         image: confluentinc/cp-schema-registry:6.1.1
         ports:
         - containerPort: 8081
+          protocol: TCP
         env:
         - name: SCHEMA_REGISTRY_HOST_NAME
           valueFrom: