diff --git a/.hgtags b/.hgtags
index 9c382aec9..e38d93c33 100644
--- a/.hgtags
+++ b/.hgtags
@@ -31,3 +31,4 @@ dfd0bc16dc991313896f351530a3dc5a25f62e15 ns-3.3-RC4
 58ae52c5845ff03ba08dc921e13e6cf3604c810a ns-3.3-RC5
 4267fd454004f5a60e517496f43a01000ccebc72 ns-3.3-RC6
 2efae18e73794c0acd8061a9bd5c74b69f1b0d93 ns-3.3
+5396ecd09060bcb1e7b1f750bb170cbfde7a77c2 ns-3.4