diff --git a/ingress/gitlab-ingress.yml b/ingress/gitlab-ingress.yml
index eaec8635bd7638502e8f9703c92efc0d78fcf94e..c3e8887cb44119beff2964008af8589a25561e53 100644
--- a/ingress/gitlab-ingress.yml
+++ b/ingress/gitlab-ingress.yml
@@ -14,6 +14,7 @@ spec:
     - gitlab.@GITLAB_GKE_DOMAIN@
     - registry.@GITLAB_GKE_DOMAIN@
     - mattermost.@GITLAB_GKE_DOMAIN@
+    - prometheus.@GITLAB_GKE_DOMAIN@
     secretName: gitlab-tls
   rules:
   - host: gitlab.@GITLAB_GKE_DOMAIN@
@@ -37,3 +38,11 @@ spec:
         backend:
           serviceName: gitlab
           servicePort: 8065
+  - host: prometheus.@GITLAB_GKE_DOMAIN@
+    http:
+      paths:
+      - path: /
+        backend:
+          serviceName: gitlab
+          servicePort: 9090
+---