diff --git a/Dockerfile b/Dockerfile
index 258b61c..bfcf568 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 FROM ubuntu:latest
-RUN apt update && apt install bash git openssh-client graphviz gcc
+RUN apt update && apt install -y bash git openssh-client graphviz gcc
 RUN python -m pip install --upgrade pip setuptools wheel pyparsing pydot django-extensions django
 
 COPY entrypoint.sh /entrypoint.sh