diff --git a/data/Dockerfiles/rspamd/Dockerfile b/data/Dockerfiles/rspamd/Dockerfile
index 9d022f82..29661646 100644
--- a/data/Dockerfiles/rspamd/Dockerfile
+++ b/data/Dockerfiles/rspamd/Dockerfile
@@ -1,17 +1,17 @@
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 LABEL maintainer "The Infrastructure Company GmbH <info@servercow.de>"
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG CODENAME=bullseye
+ARG CODENAME=bookworm
 ENV LC_ALL C
 
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
   tzdata \
   ca-certificates \
   gnupg2 \
   apt-transport-https \
   dnsutils \
-  netcat \
+  netcat-traditional \
   && apt-key adv --fetch-keys https://rspamd.com/apt-stable/gpg.key \
   && echo "deb [arch=amd64] https://rspamd.com/apt-stable/ $CODENAME main" > /etc/apt/sources.list.d/rspamd.list \
   && apt-get update \
diff --git a/docker-compose.yml b/docker-compose.yml
index ac45857f..66e9e791 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -76,7 +76,7 @@ services:
             - clamd
 
     rspamd-mailcow:
-      image: mailcow/rspamd:1.92
+      image: mailcow/rspamd:1.93
       stop_grace_period: 30s
       depends_on:
         - dovecot-mailcow