diff --git a/.gitmodules b/.gitmodules
index e3013e3..bb94302 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -106,3 +106,6 @@
 [submodule "plugins/recent-chats"]
 	path = plugins/recent-chats
 	url = https://github.com/Alex979/Steam-Recent-Chats-plugin
+[submodule "plugins/steam-proton-universal"]
+	path = plugins/steam-proton-universal
+	url = https://github.com/BlafKing/steam-proton-universal
diff --git a/plugins/steam-proton-universal b/plugins/steam-proton-universal
new file mode 160000
index 0000000..7099c07
--- /dev/null
+++ b/plugins/steam-proton-universal
@@ -0,0 +1 @@
+Subproject commit 7099c07440294953b1bf4f6df5a6de36e5c87e60