diff --git a/benchmark/Dockerfile b/benchmark/Dockerfile
index 26f7b0b19..f9eacd6a6 100644
--- a/benchmark/Dockerfile
+++ b/benchmark/Dockerfile
@@ -3,6 +3,6 @@ RUN apt-get update
 RUN apt-get install -y less git build-essential
 COPY . /aider
 RUN pip install --no-cache-dir --upgrade pip
-RUN pip install --no-cache-dir /aider[dev]
+RUN pip install --no-cache-dir -e /aider[dev]
 RUN git config --global --add safe.directory /aider
 WORKDIR /aider