diff --git a/tools/pi-gen-tipote/Dockerfile b/tools/pi-gen-tipote/Dockerfile
index 6f1108c..58646fd 100644
--- a/tools/pi-gen-tipote/Dockerfile
+++ b/tools/pi-gen-tipote/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 # Clone pi-gen
-RUN git clone --depth 1 https://github.com/RPi-Distro/pi-gen.git /build/pi-gen
+RUN git clone --depth 1 --branch bookworm https://github.com/RPi-Distro/pi-gen.git /build/pi-gen
 
 # Copy config and stage
 COPY config /build/pi-gen/config