diff --git a/submodules/jco b/submodules/jco
index dfcb5ac59b..b4341d35b6 160000
--- a/submodules/jco
+++ b/submodules/jco
@@ -1 +1 @@
-Subproject commit dfcb5ac59b9f6bb48e4e28adc02949cac4593d44
+Subproject commit b4341d35b623592879a4df939ed610eeaad9a49f