diff --git a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
index 099842774..1ef3d7f88 160000
--- a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
+++ b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
@@ -1 +1 @@
-Subproject commit 09984277438ca312744867908fe58baf38731864
+Subproject commit 1ef3d7f88da95ca2425267fc4f96bd1524fc985f