diff --git a/external/tsschecker b/external/tsschecker
index d459dfa1..91c84580 160000
--- a/external/tsschecker
+++ b/external/tsschecker
@@ -1 +1 @@
-Subproject commit d459dfa1087b30b1b0409a2aee4561a5ef2ab94d
+Subproject commit 91c845806a9308e58e16b289bed4cca5583148d1