diff --git a/lib/picoruby b/lib/picoruby
index 571b0ab..b3e773b 160000
--- a/lib/picoruby
+++ b/lib/picoruby
@@ -1 +1 @@
-Subproject commit 571b0ab13e78728d12d2bf52154da356d9085975
+Subproject commit b3e773b84d310191684a33b93d698983b160970d