diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -197,3 +197,4 @@ 97ada9b8d51bef24c5cb4cdca4243f0db694ab6e
 e386b5f4f8360dbb43a576dd9b1368e386fefa5b 5.1rc0
 e91930d712e8507d1bc1b2dffd96c83edc4cbed3 5.1
 a4e32fd539ab41489a51b2aa88bda9a73b839562 5.1.1
+181e52f2b62f4768aa0d988936c929dc7c4a41a0 5.1.2