diff --git a/.hgtags b/.hgtags
index 39b338e18b..dcbe1d2901 100644
--- a/.hgtags
+++ b/.hgtags
@@ -2,3 +2,4 @@
 685e2aa92bdd5e17ed0b344d71e714ecebd99f0a 3.6.0
 1a891d57b8a64e608f9114be9d1ae8130e9ba3c0 3.8.0
 c6bf22f18eb200bc42be460bc9c0474f94db6c7a 4.0.0
+26acbd476015d51bf0ccee275884bf496c6ed143 4.2.0