Update .travis.yml

Update to bionic (18.04). Set the R version to 4.0.
joshuaulrich · Jul 20, 2020 · 3c4a112 · 3c4a112
1 parent 2f30282
commit 3c4a112
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -4,10 +4,11 @@ language: c
 
 sudo: required
 
-dist: trusty
+dist: bionic
 
 env:
   global:
+    - R_VERSION="4.0"
     - _R_CHECK_FORCE_SUGGESTS_=false
 
 before_install: