diff --git a/dask_kubernetes/operator/deployment/helm/dask-kubernetes-operator/values.yaml b/dask_kubernetes/operator/deployment/helm/dask-kubernetes-operator/values.yaml
index 2d3f081d0..d58264254 100644
--- a/dask_kubernetes/operator/deployment/helm/dask-kubernetes-operator/values.yaml
+++ b/dask_kubernetes/operator/deployment/helm/dask-kubernetes-operator/values.yaml
@@ -28,7 +28,7 @@ securityContext:  # Security context for the operator container
   runAsNonRoot: true
   runAsUser: 1000
   allowPrivilegeEscalation: false
-  # readOnlyRootFilesystem: true
+  readOnlyRootFilesystem: true
 
 resources: {}  # Resources for the operator pod
   # We usually recommend not to specify default resources and to leave this as a conscious