diff --git a/docker/Dockerfile b/docker/Dockerfile
index dd42e2d..1bf6303 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -53,4 +53,5 @@ COPY --from=builder /app/web/dist web/dist
 
 EXPOSE 8005 8006
 
+ENV PYTHONPATH=/app
 CMD ["python", "graphbook/core/cli.py", "--web_dir", "web/dist"]