diff --git a/.hgtags b/.hgtags
index bbd12dca14..7e6c68fef1 100644
--- a/.hgtags
+++ b/.hgtags
@@ -8,3 +8,4 @@ fea52fe8ed7b3233a42ceb4b4185d7db3adf359f 4.8.0
 7e17d7d28b28cf0e6be49af141ba094b802f9b0d 5.0.0
 9d45f2cfdb3983e8fe676177066f8d37f5a8d18d 5.2.0
 19f381cd840ef2196eddcbc954937b3f2b3db661 5.4.0
+d977882bd686aabe9cf7a56b08710358fb8d9960 5.6.0