diff --git a/extension.meta.xml b/extension.meta.xml
index 9e73e36..8677d61 100644
--- a/extension.meta.xml
+++ b/extension.meta.xml
@@ -18,13 +18,13 @@
 		</author>
 	</authors>
 	<releases>
-	  <release version="2.2.1" date="2015-10-29" min="2.6.0">
+	  <release version="2.2.1" date="2015-10-29" min="2.6.0" max="2.x.x">
 			- Transliteration for non-breaking space
 		</release>
 		<release version="2.2.0" date="2015-07-21" min="2.6.0">
 			- Symphony 2.6 compatibility
 		</release>
-		<release version="2.1.0" date="2014-03-18" min="2.4.0">
+		<release version="2.1.0" date="2014-03-18" min="2.4.0" max="2.x.x">
 			- Symphony 2.4 compatibility
 		</release>
 		<release version="2.0.0" date="2013-04-03" min="2.3.0">