diff --git a/deny.toml b/deny.toml
new file mode 100644
index 0000000..1e7b3b2
--- /dev/null
+++ b/deny.toml
@@ -0,0 +1,4 @@
+[licenses]
+unlicensed = "deny"
+copyleft = "deny"
+allow = [ "MIT" ]