diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -50,3 +50,4 @@ bb195ee1fe07d68b6fccfdde1dbe7c4dd430e15d
 19785af352684884f94566785ba1b13b3ddc5216 3.4.0
 757b4ada4ca121db4296b13ec0df491645db8fd0 3.5.0
 3da1a2d02072eec5419956265dcd8c7f47155c12 4.0.0
+da8f0f9d5099ee8b22aa317b91beb06543011f1d 4.1.0