diff --git a/composer.json b/composer.json
index 1956af2..e996a6b 100644
--- a/composer.json
+++ b/composer.json
@@ -20,10 +20,10 @@
 	"require": {
 		"php": ">=5.3.0",
 		"composer/installers": "*",
-		"openbuildings/purchases": "0.3.0"
+		"openbuildings/purchases": "0.3.*"
 	},
 	"require-dev": {
-		"openbuildings/shipping": "0.3.0",
+		"openbuildings/shipping": "0.3.*",
 		"openbuildings/kohana-test-bootsrap": "0.1.*"
 	},
 	"autoload": {