diff --git a/data/Dockerfiles/dovecot/Dockerfile b/data/Dockerfiles/dovecot/Dockerfile
index 1fc40009..ee30eec8 100644
--- a/data/Dockerfiles/dovecot/Dockerfile
+++ b/data/Dockerfiles/dovecot/Dockerfile
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG DOVECOT=2.3.17
+ARG DOVECOT=2.3.17.1
 ENV LC_ALL C
 ENV GOSU_VERSION 1.12
 
diff --git a/docker-compose.yml b/docker-compose.yml
index e3693e22..07fa1b61 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -211,7 +211,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.158
+      image: mailcow/dovecot:1.159
       depends_on:
         - mysql-mailcow
       dns: