diff --git a/.hgtags b/.hgtags
index e38d93c33..94aff21e1 100644
--- a/.hgtags
+++ b/.hgtags
@@ -32,3 +32,4 @@ dfd0bc16dc991313896f351530a3dc5a25f62e15 ns-3.3-RC4
 4267fd454004f5a60e517496f43a01000ccebc72 ns-3.3-RC6
 2efae18e73794c0acd8061a9bd5c74b69f1b0d93 ns-3.3
 5396ecd09060bcb1e7b1f750bb170cbfde7a77c2 ns-3.4
+13a5b15fbe3429a6c3d00c1bccffa2c156a0603b ns-3.5-rc1