diff --git a/data/Dockerfiles/sogo/Dockerfile b/data/Dockerfiles/sogo/Dockerfile
index b1f727b9..1e499651 100644
--- a/data/Dockerfiles/sogo/Dockerfile
+++ b/data/Dockerfiles/sogo/Dockerfile
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 LABEL maintainer "Andre Peters <andre.peters@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG SOGO_DEBIAN_REPOSITORY=http://packages.inverse.ca/SOGo/nightly/4/debian/
+ARG SOGO_DEBIAN_REPOSITORY=http://packages.inverse.ca/SOGo/nightly/5/debian/
 ENV LC_ALL C
 ENV GOSU_VERSION 1.11
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 31361bbf..52d1f714 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -159,7 +159,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.82
+      image: mailcow/sogo:1.83
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}