diff --git a/docker/Dockerfile b/docker/Dockerfile
index b9fc2177..dc2a7e2a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -6,8 +6,8 @@ RUN apk add --no-cache --virtual .build-deps \
         libxml2-dev \
         libxslt-dev \
     && ln -sf /usr/bin/python3 /usr/bin/python \
-    && pip install --upgrade pip setuptools wheel \
-    && pip install cython \
+    && python -m pip install --upgrade pip setuptools wheel \
+    && python -m pip install cython \
     && apk del --purge .build-deps \
     && rm -rf /tmp/* /root/.cache /var/cache/apk/*
 ENV LANG="C.UTF-8" \