diff --git a/.hgtags b/.hgtags
index 1c0172de6..35006a2f5 100644
--- a/.hgtags
+++ b/.hgtags
@@ -20,3 +20,4 @@ fd661d14a7fad212e326a7dad6234ea0de992fbf release-0.1.15
 45a460f82aec80b0f61136aa09f412436d42203a release-0.1.19
 0f836f0288eee4980f57736d50a7a60fa082d8e9 release-0.1.20
 975f62e77f0244f1b631f740be77c72c8f2da1de release-0.1.21
+fc9909c369b2b4716304ac8e38da57b8fb781211 release-0.1.22