diff --git a/external/tsschecker b/external/tsschecker
index 35427c89..2cc9ebf6 160000
--- a/external/tsschecker
+++ b/external/tsschecker
@@ -1 +1 @@
-Subproject commit 35427c89ef4bdc76d3e758c3ab9bc5f91f910e3c
+Subproject commit 2cc9ebf622c68fd5d0f8a4301d6b8d4c78f0c654