diff --git a/.hgtags b/.hgtags
index 164114709..e48fa8b35 100644
--- a/.hgtags
+++ b/.hgtags
@@ -36,3 +36,4 @@ dfd0bc16dc991313896f351530a3dc5a25f62e15 ns-3.3-RC4
 8562a42accf6f715d312c037326ec7da48095e13 ns-3.5-rc2
 a600c11ff8d40a40e88c2d692acad6512dde70c8 ns-3.5-rc3
 c975274c9707b1f07d94cc51f205c351122131a5 ns-3.5
+549243b47311211975b388cd64fcb9111caa2fc2 ns-3.6-RC1