diff --git a/Dockerfile b/Dockerfile
index 55129b1..f6cd68c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,6 @@ WORKDIR /app
 
 COPY . .
 
-RUN pip install .
+RUN --mount=type=cache,target=/tmp/pip pip install . --cache-dir /tmp/pip
 
 CMD python3 -m customiwmserver