diff --git a/jpo-ode b/jpo-ode
index ab22739..0313991 160000
--- a/jpo-ode
+++ b/jpo-ode
@@ -1 +1 @@
-Subproject commit ab22739173ceed6c03689f72c7b068798c4b0c43
+Subproject commit 031399159d76a132ea1daa01697a81b2c909b15b