diff --git a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
index 0147de618..b9cf9816b 160000
--- a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
+++ b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
@@ -1 +1 @@
-Subproject commit 0147de618006e0f082389414b949afb24b02a94f
+Subproject commit b9cf9816bf2aedbb6fb3c199ff02d694c7f9bac8