diff --git a/Dockerfile b/Dockerfile
index a7ff738..8827c35 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,8 @@ RUN \
     apt-get update \
     && apt-get install --yes python3 git python3-pip libssl-dev libbz2-dev \
     && pip3 install --no-cache-dir zeroc-ice python-daemon \
-    && apt-get purge --yes libssl-dev libbz2-dev \
+    && apt-get purge --yes libssl-dev libbz2-dev python3-pip \
+    && apt-get autoremove \
     && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
     && useradd --system --no-create-home -U mumo