diff --git a/.travis.yml b/.travis.yml
index f74900c718a..08b69939f54 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -46,8 +46,7 @@ jobs:
 
       # build the spec using jekyll
       - stage: build
-        # bionic for newer ruby ("bundler requires Ruby version >= 2.6.0")
-        dist: bionic
+        dist: focal
         language: ruby
         # ruby 3.x is default, need to upgrade jekyll. using 2.7 for now.
         rvm: 2.7