diff --git a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
index ff6db31a6..afd1f596b 160000
--- a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
+++ b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
@@ -1 +1 @@
-Subproject commit ff6db31a629e6ca3acdc1724777053921e6f7ce4
+Subproject commit afd1f596b1865982b674d136bd082c2a6a22a07b