diff --git a/packages/core/installer/templates/cozystack-operator.yaml b/packages/core/installer/templates/cozystack-operator.yaml
index aded0995..a9877044 100644
--- a/packages/core/installer/templates/cozystack-operator.yaml
+++ b/packages/core/installer/templates/cozystack-operator.yaml
@@ -8,6 +8,7 @@ kind: Namespace
 metadata:
   name: cozy-system
   labels:
+    cozystack.io/deletion-protected: "true"
     cozystack.io/system: "true"
     pod-security.kubernetes.io/enforce: privileged
   annotations: