diff --git a/Dockerfile b/Dockerfile
index fb34ddc..67b9799 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,11 @@ LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DA
 
 # install packages
 RUN \
+ apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 \
+	--recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF && \
+ echo "deb http://download.mono-project.com/repo/debian wheezy main" \
+	| tee /etc/apt/sources.list.d/mono-xamarin.list && \
+
  apt-get update && \
  apt-get install -y \
 	libcurl3 \
diff --git a/README.md b/README.md
index c057363..f18cabf 100644
--- a/README.md
+++ b/README.md
@@ -81,4 +81,5 @@ Access the webui at `<your-ip>:7878`, for more information check out [Radarr][ap
 
 ## Versions
 
++ **13.04.17:** Switch to official mono repository.
 + **10.01.17:** Initial Release.