diff --git a/external/tsschecker b/external/tsschecker
index 91c84580..f319f645 160000
--- a/external/tsschecker
+++ b/external/tsschecker
@@ -1 +1 @@
-Subproject commit 91c845806a9308e58e16b289bed4cca5583148d1
+Subproject commit f319f645c8b3c02668490fee8174940bd18d97ac