diff --git a/composer.json b/composer.json
index a9a00f3..3441d84 100644
--- a/composer.json
+++ b/composer.json
@@ -21,8 +21,8 @@
 		"phpunit/phpunit": "4.*@stable",
 		"behat/behat": "3.*@stable",
 		"behat/mink": "1.6.*-dev",
-		"behat/mink-extension": "1.3.*-dev",
-		"behat/mink-selenium2-driver": "1.2.*-dev",
+		"behat/mink-extension": "2.0.x-dev",
+		"behat/mink-selenium2-driver": "*@stable",
 		"symfony/dom-crawler": "*@stable",
 		"silverstripe/testsession": "*",
 		"silverstripe/framework": "~3.1"