diff --git a/Dockerfile b/Dockerfile
index d711db5..385cfb5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ ENV XDG_CONFIG_HOME="/config/xdg"
 # add sonarr repository
 RUN \
  apt-key adv --keyserver keyserver.ubuntu.com --recv-keys FDA5DFFC && \
- echo "deb http://apt.sonarr.tv/ master main" > \
+ echo "deb http://apt.sonarr.tv/ develop main" > \
 	/etc/apt/sources.list.d/sonarr.list && \
 
 # install packages