1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 60e37230..1e2fe241 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ addons:
     packages:
       - gcc
       - libgit2-dev
+      - libmpfr-dev
 cache: packages
 repos:
   CRAN: https://cloud.r-project.org