diff --git a/.scrutinizer.yml b/.scrutinizer.yml
index 985c3d0..f24acbe 100644
--- a/.scrutinizer.yml
+++ b/.scrutinizer.yml
@@ -1,7 +1,7 @@
 # .scrutinizer.yml
 build:
     environment:
-        php: '5.5.25'
+        php: 5.6
 
 # enable once code sniffer is updated to >= 2.3.4
 # checks: