diff --git a/extensions/irc/xul/content/contents.rdf b/extensions/irc/xul/content/contents.rdf
index 26c3cda4c7f..0345a1a1b9c 100644
--- a/extensions/irc/xul/content/contents.rdf
+++ b/extensions/irc/xul/content/contents.rdf
@@ -9,7 +9,7 @@
 
   <!-- package information -->
   <RDF:Description about="urn:mozilla:package:chatzilla"
-        chrome:displayName="ChatZilla 0.9.63"
+        chrome:displayName="ChatZilla 0.9.64"
         chrome:author="mozilla.org"
         chrome:authorURL="http://www.mozilla.org/projects/rt-messaging/chatzilla/"
         chrome:description="A simple, straightforward Internet Relay Chat (IRC) client."
diff --git a/extensions/irc/xul/content/static.js b/extensions/irc/xul/content/static.js
index d3b0aa3adf0..d869a946c82 100644
--- a/extensions/irc/xul/content/static.js
+++ b/extensions/irc/xul/content/static.js
@@ -39,7 +39,7 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-const __cz_version   = "0.9.63";
+const __cz_version   = "0.9.64";
 const __cz_condition = "green";
 
 var warn;