diff --git a/config/schema/bootstrap4.schema.yml b/config/schema/bootstrap4.schema.yml
new file mode 100644
index 0000000..8e359ee
--- /dev/null
+++ b/config/schema/bootstrap4.schema.yml
@@ -0,0 +1,3 @@
+bootstrap4.settings:
+  type: theme_settings
+  label: 'Bootstrap settings'