.travis.yml in uniscribe-1.3.0 vs .travis.yml in uniscribe-1.4.0

@@ -1,12 +1,12 @@
 sudo: false
 language: ruby
 
 rvm:
 - ruby-head
-- 2.6.1
-- 2.5.3
-- 2.4.5
+- 2.6.3
+- 2.5.4
+- 2.4.6
 - 2.3.8
 - 2.2
 - 2.1
 - 2.0
 - jruby-head