diff --git a/cmd/manager/exec/manager.go b/cmd/manager/exec/manager.go
index 016803c..0e5e1b8 100644
--- a/cmd/manager/exec/manager.go
+++ b/cmd/manager/exec/manager.go
@@ -146,7 +146,7 @@ func RunManager() {
 		LeaseDuration:           &options.LeaderElectionLeaseDuration,
 		RenewDeadline:           &options.LeaderElectionRenewDeadline,
 		RetryPeriod:             &options.LeaderElectionRetryPeriod,
-		WebhookServer:           &k8swebhook.Server{TLSMinVersion: "1.2"},
+		WebhookServer:           &k8swebhook.Server{TLSMinVersion: "1.3"},
 	})
 
 	if err != nil {