diff --git a/.travis.yml b/.travis.yml
index 484134d..196db21 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: php
 php:
-    - 5.5
     - 5.6
     - 7.0
     - hhvm
diff --git a/composer.json b/composer.json
index 75c25ab..cbe90ce 100644
--- a/composer.json
+++ b/composer.json
@@ -11,7 +11,7 @@
     }
   ],
   "require": {
-    "php": ">=5.5.0",
+    "php": ">=5.6.0",
     "nette/di": "~2.4.0",
     "nette/utils": "~2.4.0",
     "erusev/parsedown-extra": "^0.7.1",