diff --git a/picoruby b/picoruby
index aa0355f..a1b44ca 160000
--- a/picoruby
+++ b/picoruby
@@ -1 +1 @@
-Subproject commit aa0355fea484a9b2f6ad652721720ee9dc6dad85
+Subproject commit a1b44ca301c435876432505118db8de6fbadbbdf