diff --git a/wildduck/haraka.yaml b/wildduck/haraka.yaml
index 427d8e3..ce5ed1f 100644
--- a/wildduck/haraka.yaml
+++ b/wildduck/haraka.yaml
@@ -103,7 +103,7 @@ kind: Deployment
 metadata:
   name: haraka
 spec:
-  replicas: 3
+  replicas: 4
   selector:
     matchLabels:
       app.kubernetes.io/name: wildduck
diff --git a/wildduck/wildduck.yaml b/wildduck/wildduck.yaml
index d8d8fe1..9f90df2 100644
--- a/wildduck/wildduck.yaml
+++ b/wildduck/wildduck.yaml
@@ -24,7 +24,7 @@ kind: Deployment
 metadata:
   name: wildduck
 spec:
-  replicas: 3
+  replicas: 4
   selector:
     matchLabels:
       app.kubernetes.io/name: wildduck
diff --git a/wildduck/zonemta.yaml b/wildduck/zonemta.yaml
index 5440d36..70f9951 100644
--- a/wildduck/zonemta.yaml
+++ b/wildduck/zonemta.yaml
@@ -42,7 +42,7 @@ kind: Deployment
 metadata:
   name: zonemta
 spec:
-  replicas: 3
+  replicas: 4
   selector:
     matchLabels:
       app.kubernetes.io/name: wildduck