diff --git a/Dockerfile b/Dockerfile
index 628a359..a4c0ac6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,7 @@ WORKDIR /app
 
 # Copy the application code
 COPY robohash/ /app/robohash/
-COPY setup.py .
+COPY pyproject.toml .
 COPY README.md .
 
 # Install the application in development mode