diff --git a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
index 85ccfb9e6..06dd78e61 160000
--- a/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
+++ b/src/GCHP_GridComp/GEOSChem_GridComp/geos-chem
@@ -1 +1 @@
-Subproject commit 85ccfb9e6ebffb573ffdf0e1cc37d5b66f9a0ae9
+Subproject commit 06dd78e61c67f287e97217e8db31b85c8211f191