diff --git a/.gitmodules b/.gitmodules
index 592cb24277..d0186d99a3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "avalanche"]
 	path = modules/avalanche
 	url = https://develop.openfoam.com/Community/avalanche.git
+[submodule "modules/catalyst"]
+	path = modules/catalyst
+	url = https://develop.openfoam.com/Community/catalyst.git
diff --git a/modules/catalyst b/modules/catalyst
new file mode 160000
index 0000000000..fe7832cf63
--- /dev/null
+++ b/modules/catalyst
@@ -0,0 +1 @@
+Subproject commit fe7832cf638ca452bae799ce953464d21cb2e735