diff --git a/.hgtags b/.hgtags
index 4a0d8de9b0..9e12185c85 100644
--- a/.hgtags
+++ b/.hgtags
@@ -4,3 +4,4 @@
 eaeea51fd310f387cc5593ac03caa0a7926ed377 1.6.0
 c5a5d252430911794635b127796bb69727c4c50f 1.8.0
 cf37cf340aadf693703bb72cd9090349698f5eec 2.0.0
+155968df100be420b04452a4a66bff26d9b09d9c 2.2.0