diff --git a/README.md b/README.md
index 0c07517..1f8d733 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ See [the website](https://laminar.ohwg.net) and the [documentation](https://lami
 
 First install development packages for `capnproto (version 0.7.0 or newer)`, `rapidjson`, `sqlite` and `boost` (for the header-only `multi_index_container` library) from your distribution's repository or other source.
 
-On Debian Bullseye, this can be done with:
+On Debian Bookworm, this can be done with:
 
 ```bash
 sudo apt install capnproto cmake g++ libboost-dev libcapnp-dev libsqlite3-dev \
diff --git a/examples/docker-advanced b/examples/docker-advanced
index e33d393..c6de33a 100755
--- a/examples/docker-advanced
+++ b/examples/docker-advanced
@@ -9,7 +9,7 @@ set -x
 
 # Simple way of getting the docker build tag:
 tag=$(docker build -q - <<\EOF
-	FROM debian:bullseye
+	FROM debian:bookworm
 	RUN apt-get update && apt-get install -y build-essential
 EOF
 )
@@ -19,7 +19,7 @@ EOF
 
 exec {pfd}<><(:) # get a new pipe
 docker build - <<\EOF |
-	FROM debian:bullseye
+	FROM debian:bookworm
 	RUN apt-get update && apt-get install -y build-essential
 EOF
 tee >(awk '/Successfully built/{print $3}' >&$pfd) # parse output to pipe