diff --git a/deny.toml b/deny.toml
index 1fb8356f2..61de2293a 100644
--- a/deny.toml
+++ b/deny.toml
@@ -6,6 +6,7 @@ allow = [
     "ISC",
     "MIT",
     "MPL-2.0",
+    "NCSA",
     "OpenSSL",
     "Unicode-3.0",
 ]