diff --git a/.hgtags b/.hgtags
index 2c7be4dc..a7284a32 100644
--- a/.hgtags
+++ b/.hgtags
@@ -150,3 +150,4 @@ ce7b6ee547143ef4c85d4311cbb7898905b2bc1b FIREFOX_4_0rc2_BUILD3
 0bf839d98de4610d8dd24791f5996a9c334786ce FIREFOX_4_0rc2_RELEASE
 6f33c531ad02eece63848035af586b2f277f25ee FIREFOX_4_0rc2_RELEASE
 9c88bb17996c3d28836cff4b07c0d05000073078 FENNEC_4_0rc1_BUILD3
+9c88bb17996c3d28836cff4b07c0d05000073078 FENNEC_4_0rc1_RELEASE