diff --git a/picoruby b/picoruby
index 3369afa..b2f73f8 160000
--- a/picoruby
+++ b/picoruby
@@ -1 +1 @@
-Subproject commit 3369afad6aec6c776785dddea42b4cb37b3a1509
+Subproject commit b2f73f8752a3b229cae9eb02fcc745d51155efa7