diff --git a/makefiles/docker/alpine/python.Dockerfile b/makefiles/docker/alpine/python.Dockerfile
index 3acd11977f..a7ee585041 100644
--- a/makefiles/docker/alpine/python.Dockerfile
+++ b/makefiles/docker/alpine/python.Dockerfile
@@ -1,6 +1,7 @@
 FROM ortools/make:alpine_swig AS env
-RUN apk add --no-cache python3-dev py3-pip py3-wheel py3-numpy py3-pandas
-RUN python3 -m pip install absl-py mypy-protobuf
+ENV PATH=/root/.local/bin:$PATH
+RUN apk add --no-cache python3-dev py3-pip py3-wheel \
+ py3-numpy py3-pandas py3-matplotlib
 
 FROM env AS devel
 WORKDIR /home/project