diff --git a/devtools/deployments/opencloud_full/stalwart.yml b/devtools/deployments/opencloud_full/stalwart.yml
index 92e796c404..2e3bcec326 100644
--- a/devtools/deployments/opencloud_full/stalwart.yml
+++ b/devtools/deployments/opencloud_full/stalwart.yml
@@ -7,7 +7,7 @@ services:
           - ${STALWART_DOMAIN:-stalwart.opencloud.test}
 
   stalwart:
-    image: ghcr.io/stalwartlabs/stalwart:v0.15.0-alpine
+    image: ghcr.io/stalwartlabs/stalwart:v0.15.5-alpine
     hostname: ${STALWART_DOMAIN:-stalwart.opencloud.test}
     networks:
       - opencloud-net