diff --git a/.hgtags b/.hgtags
index fe743ec79..8d71042c4 100644
--- a/.hgtags
+++ b/.hgtags
@@ -59,3 +59,4 @@ def4153e27cd744f117acf8c509979617850da83 ns-3.9-RC3
 e48ed3aabca6ad71c8c49e4604c0f83345eda6a8 ns-3.11-RC3
 9843c12351cb5ceb9613c9db390d94073b713284 ns-3.11
 19c9e2b33b4a53f200be80cd49810bdfecf76770 ns-3.12-RC1
+167fc2274f53d4d89fdd769e4a7683ad7b6b7157 ns-3.12