diff --git a/.hgtags b/.hgtags
index 031c34530b..70a3d89474 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 2b39e323eb113722b6ee237eb912996d53aad224 6.0.0
 f28819c62572707f7b3a8d3c62aa279e56ae23fe 6.2.0
 7633a7573d947dc859f0a4f9591e4822ae579b7c 6.4.0
+e2f1c3ef9b3a4479776b77730afddc1e2db54f25 6.6.0