diff --git a/.travis.yml b/.travis.yml
index a48967b14b..3682dda1d5 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,7 @@ cache:
 
 php:
   #- 5.4 // Removed because of Chash dependencies on PHP 5.5
-  #- 5.5 // Removed because official support ended in 2016
+  - 5.5
   - 5.6
   - 7.0
   - 7.1