diff --git a/makefiles/docker/debian/python.Dockerfile b/makefiles/docker/debian/python.Dockerfile
index 68502c10dd..64f52698ee 100644
--- a/makefiles/docker/debian/python.Dockerfile
+++ b/makefiles/docker/debian/python.Dockerfile
@@ -1,6 +1,6 @@
 FROM ortools/make:debian_swig AS env
 RUN apt-get update -qq \
-&& apt-get install -yq python3-dev python3-pip \
+&& apt-get install -yq python3-dev python3-pip python3-venv \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
diff --git a/makefiles/docker/ubuntu/python.Dockerfile b/makefiles/docker/ubuntu/python.Dockerfile
index b744e78a42..abfd3b759c 100644
--- a/makefiles/docker/ubuntu/python.Dockerfile
+++ b/makefiles/docker/ubuntu/python.Dockerfile
@@ -1,6 +1,6 @@
 FROM ortools/make:ubuntu_swig AS env
 RUN apt-get update -qq \
-&& apt-get install -yq python3-dev python3-pip python3-six \
+&& apt-get install -yq python3-dev python3-pip python3-venv python3-six \
 && apt-get clean \
 && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*