diff --git a/.hgtags b/.hgtags
index 1e440d7..5b439c9 100644
--- a/.hgtags
+++ b/.hgtags
@@ -6,3 +6,4 @@ d30f05a8bb46a2e6c5c61424204a4c8db6365723 0.4
 7a39b84bb002a0938109d705e0faf90d9fd8c424 0.6
 7a39b84bb002a0938109d705e0faf90d9fd8c424 0.6
 0000000000000000000000000000000000000000 0.6
+19c782179db9ed786d6e93a57d53bb31ac355dc4 0.5