diff --git a/.hgtags b/.hgtags
index fddc7f14b8..5572611352 100644
--- a/.hgtags
+++ b/.hgtags
@@ -12,3 +12,4 @@ d955af19827236bea2331558dfab15df8556c64a 3.2.0
 8660766e841e339e00dd0c969bc0103893343a03 3.6.0
 521de1ede00003b7d7cfd0c7afaa7bc4ad123f76 3.8.0
 1868494cc12081a492f0d98f5fc2a58a17c88dce 4.0.0
+dcd20826bcf5160aedd2981f384e82f372a593e5 4.2.0