diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..717c04d
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "_webi/build-classifier"]
+	path = _webi/build-classifier
+	url = https://github.com/webinstall/webi-build-classifier.git
diff --git a/_webi/build-classifier b/_webi/build-classifier
new file mode 160000
index 0000000..03c114a
--- /dev/null
+++ b/_webi/build-classifier
@@ -0,0 +1 @@
+Subproject commit 03c114a16f9b5210c805514ed39636d35f21f65d