diff --git a/src/opter b/src/opter
index b6005e1..f43915c 160000
--- a/src/opter
+++ b/src/opter
@@ -1 +1 @@
-Subproject commit b6005e11bb8867f77ac7ba4d26ab585127a5048a
+Subproject commit f43915c735509c55b858dc3a6ec5aeebf4fe4fc7