diff --git a/README.md b/README.md
index 89a44dc..400c5da 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ DataValues Number has been written by the Wikidata team, as [Wikimedia Germany]
 
 ## Release notes
 
-### 0.1 (dev)
+### 0.1 (2013-11-17)
 
 Initial release with these features:
 
diff --git a/composer.json b/composer.json
index 036ae82..151ae64 100644
--- a/composer.json
+++ b/composer.json
@@ -24,9 +24,8 @@
 		"php": ">=5.3.0",
 		"data-values/data-values": "~0.1",
 		"data-values/interfaces": "~0.1",
-		"data-values/common": "*"
+		"data-values/common": "~0.1"
 	},
-	"minimum-stability" : "dev",
 	"autoload": {
 		"files" : [
 			"Number.php"