diff --git a/.hgtags b/.hgtags
index e48fa8b35..a02094d83 100644
--- a/.hgtags
+++ b/.hgtags
@@ -37,3 +37,4 @@ dfd0bc16dc991313896f351530a3dc5a25f62e15 ns-3.3-RC4
 a600c11ff8d40a40e88c2d692acad6512dde70c8 ns-3.5-rc3
 c975274c9707b1f07d94cc51f205c351122131a5 ns-3.5
 549243b47311211975b388cd64fcb9111caa2fc2 ns-3.6-RC1
+8996042990466b1eda718a848e1c02923c0add74 ns-3.6-RC2