diff --git a/.gitmodules b/.gitmodules
index d4e793287..4a69cd132 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "gir"]
 	path = gir
 	url = https://github.com/gtk-rs/gir
+[submodule "gir-files"]
+	path = gir-files
+	url = https://github.com/gtk-rs/gir-files
diff --git a/gir-files b/gir-files
new file mode 160000
index 000000000..6088bb634
--- /dev/null
+++ b/gir-files
@@ -0,0 +1 @@
+Subproject commit 6088bb634a406402f308f01d2f33067951d5095b