diff --git a/external/ngtcp2 b/external/ngtcp2
index 241882dcd..c13095baf 160000
--- a/external/ngtcp2
+++ b/external/ngtcp2
@@ -1 +1 @@
-Subproject commit 241882dcda534ed6657f10626b7886583c052dd3
+Subproject commit c13095baf1c10e174414f434cc061f822264ac2b