diff --git a/picoruby b/picoruby
index 3369afa..a7afa08 160000
--- a/picoruby
+++ b/picoruby
@@ -1 +1 @@
-Subproject commit 3369afad6aec6c776785dddea42b4cb37b3a1509
+Subproject commit a7afa08e3e91c83c551d82c13857bb02ee961dc5