diff --git a/.gitmodules b/.gitmodules
index 338f571..98a6ad6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -73,3 +73,6 @@
 [submodule "plugins/gratitude"]
 	path = plugins/gratitude
 	url = https://github.com/BlythT/Gratitude-Millennium-Plugin
+[submodule "plugins/exclude-collections-in-collection"]
+	path = plugins/exclude-collections-in-collection
+	url = https://github.com/Norphirion/exclude-collections-in-collection
diff --git a/plugins/exclude-collections-in-collection b/plugins/exclude-collections-in-collection
new file mode 160000
index 0000000..417132f
--- /dev/null
+++ b/plugins/exclude-collections-in-collection
@@ -0,0 +1 @@
+Subproject commit 417132fded13089e5239df27652d85dc2f6cf350