diff --git a/clusters/cherry/apps/cert-manager.yaml b/clusters/cherry/apps/cert-manager.yaml
index fffee72..d959fd6 100644
--- a/clusters/cherry/apps/cert-manager.yaml
+++ b/clusters/cherry/apps/cert-manager.yaml
@@ -30,3 +30,8 @@ spec:
             maxUnavailable: 0
         webhook:
           featureGates: "AdditionalCertificateOutputFormats=true"
+          strategy:
+            type: RollingUpdate
+            rollingUpdate:
+              maxSurge: 1
+              maxUnavailable: 0