1 files changed, 1 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index ffe843e5..77efef09 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 language: r
 r:
   - 4.1.2
+  - devel
 addons:
   apt:
     packages: