diff --git a/.gitmodules b/.gitmodules
index 5acb854b1c..59d51f9330 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -58,7 +58,7 @@
 	path = src/chemistry/cloud_j
 	url = https://github.com/geoschem/cloud-j.git
         fxrequired = AlwaysRequired
-        fxtag = 7.7.2
+        fxtag = 7.7.3
         fxDONOTUSEurl = https://github.com/geoschem/cloud-j.git
 
 [submodule "hetp"]
diff --git a/src/chemistry/cloud_j b/src/chemistry/cloud_j
index 37a4ece358..d20050f1ef 160000
--- a/src/chemistry/cloud_j
+++ b/src/chemistry/cloud_j
@@ -1 +1 @@
-Subproject commit 37a4ece3580a9a8ce64d9fbd03c699cd116c6d80
+Subproject commit d20050f1ef9e3895d58f3041efd2da59ce1ed421