diff --git a/.hgtags b/.hgtags
index 9bfbcffc156..548dba8cfeb 100644
--- a/.hgtags
+++ b/.hgtags
@@ -86,3 +86,4 @@ cabf303e787aa5cd7209b40e3b2caba3ee75c5a5 v2.6.1
 00c3396d7a8c4ab4c2c841d61013a073ae921d0f v2.6.3
 25aa90a6865b63133962dd64626c53c7b6fd47d5 v2.6.4rc1
 ea1fdafbe4fe2458ac17287e0d6c709ed00fce5c v2.6.4rc2
+8803c3d61da275c71cabe9e9d0274dac9902e2c0 v2.6.4