diff --git a/.gitmodules b/.gitmodules
index ef0d2fb..6dd327f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -64,3 +64,6 @@
 [submodule "plugins/steam-change-window-params"]
 	path = plugins/steam-change-window-params
 	url = https://github.com/ricewind012/steam-change-window-params
+[submodule "plugins/gratitude"]
+	path = plugins/gratitude
+	url = https://github.com/BlythT/Gratitude-Millennium-Plugin
diff --git a/plugins/gratitude b/plugins/gratitude
new file mode 160000
index 0000000..5c296ac
--- /dev/null
+++ b/plugins/gratitude
@@ -0,0 +1 @@
+Subproject commit 5c296ac365be4d24e9af45515f76040c94d94968