diff --git a/src/GCHP_GridComp/GEOSChem_GridComp/HEMCO/HEMCO b/src/GCHP_GridComp/GEOSChem_GridComp/HEMCO/HEMCO
index 3bd40ad84..55d27e209 160000
--- a/src/GCHP_GridComp/GEOSChem_GridComp/HEMCO/HEMCO
+++ b/src/GCHP_GridComp/GEOSChem_GridComp/HEMCO/HEMCO
@@ -1 +1 @@
-Subproject commit 3bd40ad84c46c36107d83b5353e57ce279b593f0
+Subproject commit 55d27e209c64fe370ba2ac684c6230e14075d4b5