diff --git a/.hgtags b/.hgtags
index 8fe0780..60fc2bc 100644
--- a/.hgtags
+++ b/.hgtags
@@ -23,3 +23,4 @@ ed9acf241b1076e84ba0b41dc9d8edd904f69f25 v3.0.0-beta2
 58b588a580a126adb16de96f8eade96111758085 v3.0.0-beta3
 58b588a580a126adb16de96f8eade96111758085 v3.0.0-beta3
 78a701fb6daa670fc49648816f040a70689c86a7 v3.0.0-beta3
+54e5351b46cf10bff0daa9ea85e3868c6f7d75e2 v3.0.0-beta4