diff --git a/Dockerfile-web b/Dockerfile-web
index e16d63b..293ace2 100644
--- a/Dockerfile-web
+++ b/Dockerfile-web
@@ -19,6 +19,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy application files
 COPY app.py .
+COPY lib.py .
 COPY ingress.py .
 COPY models.py .