.travis.yml in sentry-raven-2.11.3 vs .travis.yml in sentry-raven-2.12.0

@@ -10,12 +10,12 @@
   only: [master]
 
 rvm:
   - 2.2.10
   - 2.3.8
-  - 2.4.6
-  - 2.5.5
-  - 2.6.3
+  - 2.4.9
+  - 2.5.7
+  - 2.6.5
 
 env:
   - RAILS_VERSION=4
   - RAILS_VERSION=5
   - RAILS_VERSION=0