diff --git a/CHANGES.txt b/CHANGES.txt
index 406b440..3be49ae 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,10 @@
-0.10.0 - XXXX-XX-XX
+0.10.0 - 2016-03-09
 ===================
 
+  * Add support for "idpClaims" and "userClaims" when
+    generating test assertions.  This helps when using
+    this library to interact with Firefox Accounts.
+
 
 0.9.2 - 2014-04-13
 ==================