diff --git a/internal/controller/templates/statefulset.yaml b/internal/controller/templates/statefulset.yaml
index a9e1554..f4ee4b1 100644
--- a/internal/controller/templates/statefulset.yaml
+++ b/internal/controller/templates/statefulset.yaml
@@ -42,6 +42,12 @@ spec:
             periodSeconds: 10
             successThreshold: 1
             timeoutSeconds: 5
+          readinessProbe:
+            exec:
+              command:
+              - /bin/sh
+              - -c
+              - exec cat /etc/ssh/ssh_host*.pub
           resources:
             limits:
               cpu: 300m