diff --git a/.hgtags b/.hgtags
index ebe13a03a1..7798c37c96 100644
--- a/.hgtags
+++ b/.hgtags
@@ -24,3 +24,4 @@ dcecec4a8143dc56e0a20324c3f65efac9ef98c5 5.6.0
 588a3ffda8503972d58bbf4d477a65edd8b22874 6.0.0
 77561ec5085ead4e8f6296949ac9625791cf8c17 6.2.0
 0b7c8747a50140c9c63765745c9b3622669947df 6.4.0
+70f41e3ab212ef51b67119a0a033ea0f8024e2d3 6.6.0