diff --git a/deps/picotls b/deps/picotls
index 9de892cc..9b88159c 160000
--- a/deps/picotls
+++ b/deps/picotls
@@ -1 +1 @@
-Subproject commit 9de892ccf7b1d3dc9467ef92ba9314c155928037
+Subproject commit 9b88159ce763d680e4a13b6e8f3171ae923a535d