diff --git a/.gitmodules b/.gitmodules
index 338f571..c764942 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/millenium-non-steam-store-link-button"]
+	path = plugins/millenium-non-steam-store-link-button
+	url = https://github.com/eiztee/millenium-non-steam-store-link-button
diff --git a/plugins/millenium-non-steam-store-link-button b/plugins/millenium-non-steam-store-link-button
new file mode 160000
index 0000000..e4501b5
--- /dev/null
+++ b/plugins/millenium-non-steam-store-link-button
@@ -0,0 +1 @@
+Subproject commit e4501b53a6a69f44dc49856aa179237f36c3da97