diff --git a/deny.toml b/deny.toml
index a8fd3a1..449b357 100644
--- a/deny.toml
+++ b/deny.toml
@@ -95,6 +95,7 @@ allow = [
     "MIT",
     "MPL-2.0",
     "Unicode-3.0",
+    "Unlicense",
     "Zlib",
 ]
 # The confidence threshold for detecting a license from license text.