diff --git a/kubernetes/infrastructure/mail/stalwart/values.yaml b/kubernetes/infrastructure/mail/stalwart/values.yaml
index 5550f6e..2f93e00 100644
--- a/kubernetes/infrastructure/mail/stalwart/values.yaml
+++ b/kubernetes/infrastructure/mail/stalwart/values.yaml
@@ -7,7 +7,7 @@
 # Container image
 image:
     repository: stalwartlabs/stalwart
-    tag: v0.16.11
+    tag: v0.16.20
     pullPolicy: IfNotPresent
 # Single-node RocksDB deployment.
 replicaCount: 1