diff --git a/defaults/main.yml b/defaults/main.yml
index 0b4360a..42ff912 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -23,6 +23,7 @@ r_apt_additional_repos_trusty:
 r_apt_additional_repos:
   - 'ppa:cran/v8'
   - 'ppa:ubuntugis/ppa'
+  - 'ppa:cran/libgit2'
 
 r_cran_set_default_mirror: True
 r_cran_mirror_site: https://cran.mirror.garr.it/mirrors/CRAN/