diff --git a/.hgtags b/.hgtags
index 916a25fb11..0268c2930e 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1 +1,2 @@
 91745b0400b5e1e9496cdf2bb02ae336c84d9e5b 3.8.0
+201e372f59107e88308647b0419bf88b727a6b33 4.0.0