diff --git a/fleet.yaml b/fleet.yaml
index d465ce4..6dafc6f 100644
--- a/fleet.yaml
+++ b/fleet.yaml
@@ -6,3 +6,13 @@ helm:
   values:
     namespace: cert-manager
     installCRDs: true
+targetCustomizations:
+  - name: rancher
+    helm:
+      values:
+        prometheus:
+          servicemonitor:
+            enabled: true
+    clusterSelector:
+      matchLabels:
+        env: rancher