diff --git a/.travis.yml b/.travis.yml
index 99cbd036..2aa1845e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ php:
   - 5.5
   - 5.6
   - 7.0
-  - 7.1
+  - 7.1.9
 
 
 services: