diff --git a/.travis.yml b/.travis.yml
index 5edc609..7f46b33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,5 +7,8 @@ before_script:
   - composer install
 script:
   - vendor/bin/phing
+  - >
+    wget https://github.com/maglnet/ComposerRequireChecker/releases/download/0.2.1/composer-require-checker.phar
+    && php composer-require-checker.phar check composer.json
 after_script:
   - php vendor/bin/coveralls -v
diff --git a/composer.json b/composer.json
index 2a2930c..37ffb38 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,7 @@
 		"nette/di": "^2.3.0 || ^3.0.0",
 		"nette/forms": "^2.3.0 || ^3.0.0",
 		"nette/utils": "^2.3.0 || ^3.0.0",
+		"nette/http": "^2.3.0 || ^3.0.0",
 		"nikic/php-parser": "^4.0"
 	},
 	"require-dev": {