diff --git a/src/GEOS-Chem b/src/GEOS-Chem
index 200a564..ff6db31 160000
--- a/src/GEOS-Chem
+++ b/src/GEOS-Chem
@@ -1 +1 @@
-Subproject commit 200a564442699f04b245370faa272097cf88ea15
+Subproject commit ff6db31a629e6ca3acdc1724777053921e6f7ce4