diff --git a/tools/forward/Dockerfile b/tools/forward/Dockerfile
index dc02f9586b..f06f91067d 100644
--- a/tools/forward/Dockerfile
+++ b/tools/forward/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye
+FROM debian:bookworm
 RUN apt-get update && apt-get install -y openssh-server socat sudo tini
 RUN echo '%adm ALL=NOPASSWD: /usr/bin/socat' > /etc/sudoers.d/socat
 RUN chmod 0440 /etc/sudoers.d/socat