diff --git a/.hgtags b/.hgtags
index f256312d0a..094d3cd02b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -10,3 +10,4 @@ dd9d3ed46405df5fa49152af30807edb37fedf9f 3.0.0
 d955af19827236bea2331558dfab15df8556c64a 3.2.0
 7bfee22bbf9a7a17023744f7d1ee5eb5dacba1a5 3.4.0
 8660766e841e339e00dd0c969bc0103893343a03 3.6.0
+521de1ede00003b7d7cfd0c7afaa7bc4ad123f76 3.8.0