diff --git a/.hgtags b/.hgtags
index 8dfe714e3..1829d3e0f 100644
--- a/.hgtags
+++ b/.hgtags
@@ -53,3 +53,4 @@ fb5ad9c7755aa6ea871e76d322fd4c43a5b1047d ns-3.9-RC1
 14019c625ab84486f0c263074048b0519db15f73 ns-3.9-RC2
 def4153e27cd744f117acf8c509979617850da83 ns-3.9-RC3
 8ddf25211f8995cde73baa8b8a419711ed451b85 ns-3.9
+63a8a4ed4054f1e1cd1756045abba657f6fd884c ns-3.10