.travis.yml in patron-0.11.1 vs .travis.yml in patron-0.12.0

@@ -2,9 +2,10 @@
 - 1.9.3
 - 2.1.5
 - 2.2.2
 - 2.3.4
 - 2.4.1
+- 2.5.0
 sudo: false
 dist: trusty
 cache: bundler
 install:
   - gem update --system 2.6.12  # https://github.com/rubygems/rubygems/issues/2024