diff --git a/Dockerfile b/Dockerfile
index 95796f3..22b2170 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM python:slim
   
-RUN pip install flask
+RUN pip install flask flask-wtf
 COPY /pytubedl/pytubedl.py /pytubedl.py
 COPY /pytubedl/templates /templates
 EXPOSE 5000