diff --git a/kustomize/roundcube-deployment.yaml b/kustomize/roundcube-deployment.yaml
index 4ceb857..8645f1e 100644
--- a/kustomize/roundcube-deployment.yaml
+++ b/kustomize/roundcube-deployment.yaml
@@ -36,7 +36,7 @@ spec:
             subPath: roundcube-installation
         resources:
           limits:
-            memory: "128Mi"
+            memory: 256Mi"
             cpu: "500m"
         ports:
         - containerPort: 80