diff --git a/benchmark_server/Dockerfile b/benchmark_server/Dockerfile
index 6a09ab87..d6e6f56c 100644
--- a/benchmark_server/Dockerfile
+++ b/benchmark_server/Dockerfile
@@ -5,13 +5,15 @@ FROM python:$PYTHON_VERSION
 # This means 'do not warn about it' :)
 ENV PIP_ROOT_USER_ACTION=ignore
 
-RUN pip install --no-cache-dir -U pip
+ENV PIP_NO_CACHE_DIR=true
+
+RUN pip install -U pip
 
 RUN mkdir -p /usr/src
 COPY servers /usr/src/servers
-RUN pip install --no-cache-dir -r /usr/src/servers/requirements.txt
+RUN pip install -r /usr/src/servers/requirements.txt
 
 ARG EASYNETWORK_SDIST
 
 COPY $EASYNETWORK_SDIST /easynetwork.tar.gz
-RUN pip install --no-cache-dir "/easynetwork.tar.gz"
+RUN pip install "/easynetwork.tar.gz"