diff --git a/extern/semitone b/extern/semitone
index 551ffa6..99ddc7a 160000
--- a/extern/semitone
+++ b/extern/semitone
@@ -1 +1 @@
-Subproject commit 551ffa6dd88505dd4bf3be7906d3ef9d446f8d34
+Subproject commit 99ddc7a231368384a4c9ae82c49830d5cb28c19c