diff --git a/.env b/.env
index 28db321..b93fd7b 100644
--- a/.env
+++ b/.env
@@ -3,4 +3,4 @@ POSTGRES_PASS=zammad
 POSTGRES_USER=zammad
 RESTART=always
 # don't forget to add the minus before the version
-VERSION=-4.0.0-13
+VERSION=-4.0.0-20