diff --git a/.travis.yml b/.travis.yml
index 18168d77e..2b2a56204 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -26,9 +26,9 @@ script:
   - ruby bin/review-init hello2 --epub-version 2 && cd hello2 && ruby ../bin/review-epubmaker config.yml && epubcheck book.epub
 
 rvm:
-  - 2.4.5
-  - 2.5.3
-  - 2.6.0
+  - 2.4.6
+  - 2.5.5
+  - 2.6.3
 ##  - ruby-head
 
 branches: