diff --git a/docker/klipper/Dockerfile b/docker/klipper/Dockerfile
index 0600a7d..e77ba74 100644
--- a/docker/klipper/Dockerfile
+++ b/docker/klipper/Dockerfile
@@ -108,7 +108,7 @@ FROM tools AS build-simulavr
 RUN apt update \
  && apt install -y \
       git cmake swig \
-      python3-dev \
+      python3-dev python3-setuptools \
  && apt clean
 
 WORKDIR /opt/klipper
@@ -132,4 +132,4 @@ USER simulavr
 ENV PYTHONPATH=/opt/simulavr/build/pysimulavr/
 VOLUME ["/opt/printer_data/run"]
 ENTRYPOINT ["klipper/scripts/avrsim.py"]
-CMD ["-p", "/opt/printer_data/run/simulavr.tty", "/opt/klipper/out/klipper.elf"]
\ No newline at end of file
+CMD ["-p", "/opt/printer_data/run/simulavr.tty", "/opt/klipper/out/klipper.elf"]