diff --git a/deny.toml b/deny.toml
index 900e3db9..b4ba33db 100644
--- a/deny.toml
+++ b/deny.toml
@@ -12,6 +12,7 @@ allow = [
     "ISC",
     "MIT",
     "Unicode-DFS-2016",
+    "WTFPL",
 ]
 
 [advisories]