diff --git a/.hgtags b/.hgtags
index 7486500eb8..7755df2f0d 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 e691d78975ca7ed1a4c564f661c3a9f3dba8b80e 6.0.0
 f595be90897437f38debbceb8fab6e676aec99d7 6.2.0
 3e541b7afb25917ad3f1051a7c7f71e628857d83 6.4.0
+a9483ad84c988aaab154ae61224e9f23b0776ab5 6.6.0