diff --git a/data/Dockerfiles/dovecot/Dockerfile b/data/Dockerfiles/dovecot/Dockerfile
index bc4fca5c..c5517499 100644
--- a/data/Dockerfiles/dovecot/Dockerfile
+++ b/data/Dockerfiles/dovecot/Dockerfile
@@ -3,7 +3,7 @@ LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
 ENV LC_ALL C
-ENV DOVECOT_VERSION 2.3.5
+ENV DOVECOT_VERSION 2.3.5.1
 ENV PIGEONHOLE_VERSION 0.5.5
 
 RUN apt-get update && apt-get -y --no-install-recommends install \
diff --git a/docker-compose.yml b/docker-compose.yml
index c4111f2b..fbd90b00 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -169,7 +169,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.66
+      image: mailcow/dovecot:1.67
       build: ./data/Dockerfiles/dovecot
       cap_add:
         - NET_BIND_SERVICE