diff --git a/external/tsschecker b/external/tsschecker
index 6904e4a2..44008404 160000
--- a/external/tsschecker
+++ b/external/tsschecker
@@ -1 +1 @@
-Subproject commit 6904e4a220358fd1fbaa134b0301ed2fc2e77130
+Subproject commit 4400840412d271bf92896ae0c166f35bcd4f5ed5