diff --git a/.hgtags b/.hgtags
index 4cc623efb2..fb749d1ffb 100644
--- a/.hgtags
+++ b/.hgtags
@@ -14,3 +14,4 @@ dbeeee4939a0cd1ba43db506fd47dd7454ea5d8a 3.4.0
 962d87a0d29cd462d0602f03d8b9c2607a48ae66 3.6.0
 573dffdb8c925de7ae19699a3d52518a3ef76e40 3.8.0
 5fa7876981a34f5e940fb79c778fcca699861066 4.0.0
+6a47823c238ac0f9789abef2c671d7bfb02a53b5 4.2.0