diff --git a/documentation/docs/start/install.md b/documentation/docs/start/install.md
index d732d634bed00fa7b2492032561cfde2399adeda..ac3b127fcc5d5083de324f482adbecdfff15a5a6 100644
--- a/documentation/docs/start/install.md
+++ b/documentation/docs/start/install.md
@@ -23,6 +23,8 @@ Add the geomodel repository to your source list:
 
 ```
 sudo add-apt-repository ppa:kaktusjoe/geomodel
+sudo add-apt-repository ppa:kaktusjoe/coingraphics
+sudo add-apt-repository ppa:kaktusjoe/g4dist
 sudo apt-get update
 ```