diff --git a/.hgtags b/.hgtags
index e2fbe56642..fccf251564 100644
--- a/.hgtags
+++ b/.hgtags
@@ -12,3 +12,4 @@ cbfca971ec9fd828f80888abf9fb86d43e159428 5.2.0
 e42f713281f747681fe9c20c822a276f5f9b729c 5.4.0
 7f3949969dbb1c999d977c261d49fe9945f431dc 5.6.0
 3d735aa32b29b9ba2ccb0e03762cd4f0a2f4a257 5.8.0
+538501607c2f00960a49f89d4249855ef0ce15cb 6.0.0