diff --git a/extern/blt b/extern/blt
index 058b312..9ff7734 160000
--- a/extern/blt
+++ b/extern/blt
@@ -1 +1 @@
-Subproject commit 058b312f8a5ef305e12a4380deaa13d618eff54e
+Subproject commit 9ff77344f0b2a6ee345e452bddd6bfd46cbbfa35