diff --git a/.hgtags b/.hgtags
--- a/.hgtags
+++ b/.hgtags
@@ -16,3 +16,4 @@ 7f7c33ba6e3f3797ca866c5ed5d358a2393f1371
 a6b9dd9547bdc17b681502efcceb17aa5c09adf4 1.8.1
 8318fa1615d1946e4519f5735ae880909521990d 2.0
 e23590ee7e2067a3f0fc3cbcfd66404b47127feb 2.1
+4d998aba79e4abf0a2e78e93baaa2c2800b1c49c 2.2