diff --git a/Dockerfile b/Dockerfile
index f52827c..f60c20b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -39,7 +39,7 @@ RUN npm -g install Haraka \
 
 USER root
 
-RUN apt-get remove git && apt-get autoremove && \
+RUN apt-get -y remove git && apt-get autoremove && \
     rm -rf /var/lib/apt/lists/*
 
 # Port 80 is used for LetsEncrypt