diff --git a/.hgtags b/.hgtags
index d19e856..d696034 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
 fcc8a282cb52c6a9343b461026b386825590cd31 0.1
 656be0f47df545dfdd2e1e0663663b8b1b26f031 0.2
 d352e9dc112ee96aa5cad961a0ed880ae9ce7276 0.3
+7acf0dde1120542917bae12e0e42293f9d2cc899 0.4