diff --git a/Dockerfile b/Dockerfile
index 070c4af..d6132c3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,11 @@ FROM python:3.8-alpine
 
 EXPOSE 4785
 
-RUN pip3 install --no-cache-dir matrix-nio
+RUN apk update -q \
+ && apk add -q --no-cache build-base \
+ && pip3 install --no-cache-dir matrix-nio \
+ && apk del build-base \
+ && rm -rf /var/cache/apk/*
 
 ADD matrix_webhook.py /