diff --git a/data/Dockerfiles/sogo/Dockerfile b/data/Dockerfiles/sogo/Dockerfile
index 54d676b9..a4601c40 100644
--- a/data/Dockerfiles/sogo/Dockerfile
+++ b/data/Dockerfiles/sogo/Dockerfile
@@ -1,7 +1,8 @@
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 LABEL maintainer "The Infrastructure Company GmbH GmbH <info@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
+ARG DEBIAN_VERSION=bookworm
 ARG SOGO_DEBIAN_REPOSITORY=http://www.axis.cz/linux/debian
 # renovate: datasource=github-releases depName=tianon/gosu versioning=semver-coerced extractVersion=^(?<version>.*)$
 ARG GOSU_VERSION=1.17
@@ -21,7 +22,7 @@ RUN echo "Building from repository $SOGO_DEBIAN_REPOSITORY" \
   syslog-ng-core \
   syslog-ng-mod-redis \
   dirmngr \
-  netcat \
+  netcat-traditional \
   psmisc \
   wget \
   patch \
@@ -32,7 +33,7 @@ RUN echo "Building from repository $SOGO_DEBIAN_REPOSITORY" \
   && mkdir /usr/share/doc/sogo \
   && touch /usr/share/doc/sogo/empty.sh \
   && apt-key adv --keyserver keys.openpgp.org --recv-key 74FFC6D72B925A34B5D356BDF8A27B36A6E2EAE9 \
-  && echo "deb [trusted=yes] ${SOGO_DEBIAN_REPOSITORY} bullseye sogo-v5" > /etc/apt/sources.list.d/sogo.list \
+  && echo "deb [trusted=yes] ${SOGO_DEBIAN_REPOSITORY} ${DEBIAN_VERSION} sogo-v5" > /etc/apt/sources.list.d/sogo.list \
   && apt-get update && apt-get install -y --no-install-recommends \
     sogo \
     sogo-activesync \
diff --git a/docker-compose.yml b/docker-compose.yml
index c1883f90..8dc193eb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -172,7 +172,7 @@ services:
             - phpfpm
 
     sogo-mailcow:
-      image: mailcow/sogo:1.121
+      image: mailcow/sogo:1.122
       environment:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}