diff --git a/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/Dockerfile b/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/Dockerfile
index 691f9a7..219dd14 100644
--- a/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/Dockerfile
+++ b/mailcow/src/mailcow-dockerized/data/Dockerfiles/dovecot/Dockerfile
@@ -2,7 +2,7 @@
 LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG DOVECOT=2.3.11.3
+ARG DOVECOT=2.3.13
 ENV LC_ALL C
 
 # Add groups and users before installing Dovecot to not break compatibility