diff --git a/.travis.yml b/.travis.yml
index e8e15ce..090ead7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@
 
 language: php
 php:
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
diff --git a/composer.json b/composer.json
index 9a24f5a..39329c7 100644
--- a/composer.json
+++ b/composer.json
@@ -13,7 +13,7 @@
 		}
 	],
 	"require": {
-		"php": ">=5.5.0",
+		"php": ">=5.6.0",
 		"silverstripe/framework": "~4.0",
 		"silverstripe/cms": "~4.0"
 	},