diff --git a/src/GEOS-Chem b/src/GEOS-Chem
index 5d6b1f5..623e650 160000
--- a/src/GEOS-Chem
+++ b/src/GEOS-Chem
@@ -1 +1 @@
-Subproject commit 5d6b1f53e22175a30580c324760ec419cf7a6add
+Subproject commit 623e65097c86fdf19dd3fe3ace33fb1ee622ffcc