diff --git a/Dockerfile b/Dockerfile
index f976ca9..002ef6e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN apt-get update && apt-get install -y \
 
 RUN pip install poetry
 
-COPY pyproject.toml poetry.lock ./
+COPY pyproject.toml poetry.lock README.md ./
 
 RUN poetry config virtualenvs.create false