diff --git a/extern/picoquic b/extern/picoquic
index 47e4eb1..9e4ce5b 160000
--- a/extern/picoquic
+++ b/extern/picoquic
@@ -1 +1 @@
-Subproject commit 47e4eb1a7880fead410933a1d4d8b3822f78fbda
+Subproject commit 9e4ce5bbfdafacd5337361ee3878fda238c57569