diff --git a/clusters/cl01tl/helm/stalwart/values.yaml b/clusters/cl01tl/helm/stalwart/values.yaml
index 25ad6e505..b200c4730 100644
--- a/clusters/cl01tl/helm/stalwart/values.yaml
+++ b/clusters/cl01tl/helm/stalwart/values.yaml
@@ -9,7 +9,7 @@ stalwart:
         main:
           image:
             repository: stalwartlabs/stalwart
-            tag: v0.15.2
+            tag: v0.15.3
             pullPolicy: IfNotPresent
           resources:
             requests: