diff --git a/.hgtags b/.hgtags
index 2376cece0..75a592017 100644
--- a/.hgtags
+++ b/.hgtags
@@ -152,3 +152,4 @@ f9761f131ca9c583e1abe9b96d06dcf4bc930d79 FIREFOX_3_6_10_BUILD1
 3cba765ffa461c32db54d6bbf82f22a796a72cd4 FIREFOX_3_5_14_RELEASE
 3cba765ffa461c32db54d6bbf82f22a796a72cd4 FIREFOX_3_5_14_BUILD1
 4b41e311f539defe3f882f984e48e1c133c73dd1 FIREFOX_3_6_11_BUILD1
+b979c32d2228658302a416a0079aee698e6df89b FIREFOX_3_6_11_RELEASE