diff --git a/Dockerfile b/Dockerfile
index fb079fcb..d751a120 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ COPY README.md /app/
 COPY proxy/ /app/proxy/
 WORKDIR /app
 RUN pip install --upgrade pip && \
-    pip install --install-option="--prefix=/deps" .
+    pip install --prefix=/deps .
 
 FROM base