diff --git a/Dockerfile b/Dockerfile
index 1403629..6fa1d0f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ RUN apk --no-cache add ${BUILD_PACKAGES} && \
     python -m pip --no-cache-dir install virtualenv && \
     python -m virtualenv env && \
     source env/bin/activate && \
-    python -m pip --no-cache-dir install -r requirements.txt --no-use-pep51 && \
+    python -m pip --no-cache-dir install -r requirements.txt && \
     apk del ${BUILD_PACKAGES}
 COPY . .
 RUN chmod 0755 /algo/algo-docker.sh