diff --git a/.gitmodules b/.gitmodules
index ee2b053a21..592cb24277 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "cfmesh"]
 	path = modules/cfmesh
 	url = https://develop.openfoam.com/Community/integration-cfmesh.git
+[submodule "avalanche"]
+	path = modules/avalanche
+	url = https://develop.openfoam.com/Community/avalanche.git
diff --git a/modules/avalanche b/modules/avalanche
new file mode 160000
index 0000000000..7859926d58
--- /dev/null
+++ b/modules/avalanche
@@ -0,0 +1 @@
+Subproject commit 7859926d585e057ba9a4888dc289b36701a2ef5e
diff --git a/modules/cfmesh b/modules/cfmesh
index 7fb146a232..57b9896a21 160000
--- a/modules/cfmesh
+++ b/modules/cfmesh
@@ -1 +1 @@
-Subproject commit 7fb146a2324d59bcfa0a6f5fc6bdf14ca318ca55
+Subproject commit 57b9896a21ff657182617a864001bdf18244e17a