diff --git a/composer.json b/composer.json
index a72ebfb..bc7600d 100644
--- a/composer.json
+++ b/composer.json
@@ -13,14 +13,14 @@
 	],
 	"require": {
 		"php": ">=5.4",
-		"arc/base": "~2.0",
-		"arc/web": "~2.0",
-		"arc/xml": "~2.0",
+		"arc/base": "~2.1",
+		"arc/web": "~2.1",
+		"arc/xml": "~2.1",
 		"arc/html": "~1.0",
-		"arc/cache": "~1.0",
-		"arc/config": "~1.0",
-		"arc/grants": "~1.0",
-		"arc/events": "~1.0",
+		"arc/cache": "~1.2",
+		"arc/config": "~1.2",
+		"arc/grants": "~1.2",
+		"arc/events": "~1.2",
 		"arc/prototype": "~0.9"
 	}
 }