diff --git a/.hgtags b/.hgtags
index a1c99d197c..85956e7a55 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,3 +13,4 @@ bf04b1f359e06767115e7459294346a85db6b043 3.4.0
 d8c8bff3168e263bba6293740d9a846e90835832 3.6.0
 21618bdc05eed2f62d784d35458188a027ccfc71 3.8.0
 1c5317d89354d73bb46a1ac052b3eddd91dcb405 4.0.0
+f1bad2c3b9b58422f094aa5eb166d510df673a87 4.2.0