diff --git a/vendor/openmc b/vendor/openmc
index b3b021f0..b64f17e6 160000
--- a/vendor/openmc
+++ b/vendor/openmc
@@ -1 +1 @@
-Subproject commit b3b021f034733ee01e33210d370ab226f54d5f04
+Subproject commit b64f17e62eb6ac483dda5b6cd6963cf41e3f822c