diff --git a/mailserver/13.2.0/conf/mailserver.env b/mailserver/13.3.1/conf/mailserver.env
similarity index 100%
rename from mailserver/13.2.0/conf/mailserver.env
rename to mailserver/13.3.1/conf/mailserver.env
diff --git a/mailserver/13.2.0/data.yml b/mailserver/13.3.1/data.yml
similarity index 100%
rename from mailserver/13.2.0/data.yml
rename to mailserver/13.3.1/data.yml
diff --git a/mailserver/13.2.0/docker-compose.yml b/mailserver/13.3.1/docker-compose.yml
similarity index 91%
rename from mailserver/13.2.0/docker-compose.yml
rename to mailserver/13.3.1/docker-compose.yml
index a4c568dbc..9cc33b48c 100644
--- a/mailserver/13.2.0/docker-compose.yml
+++ b/mailserver/13.3.1/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '3'
 services:
   mailserver:
-    image: ghcr.io/docker-mailserver/docker-mailserver:13.2.0
+    image: ghcr.io/docker-mailserver/docker-mailserver:13.3.1
     container_name: ${CONTAINER_NAME}
     hostname: ${MS_HOSTNAME}
     env_file: ./conf/mailserver.env