diff --git a/composer.json b/composer.json
index 9d93d94..7596b18 100644
--- a/composer.json
+++ b/composer.json
@@ -25,8 +25,8 @@
         "paragonie/random_compat": "^2.0"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "~2.8|~3.0",
-        "sllh/php-cs-fixer-styleci-bridge": "^2.0"
+        "symfony/phpunit-bridge": "~3.2",
+        "sllh/php-cs-fixer-styleci-bridge": "^2.1"
     },
     "autoload": {
         "psr-4": { "Google\\Authenticator\\": "lib/" }