diff --git a/deny.toml b/deny.toml
index 327ac58db7..8bf643f4ba 100644
--- a/deny.toml
+++ b/deny.toml
@@ -37,6 +37,7 @@ allow = [
     "BSD-2-Clause",
     "BSD-3-Clause",
     "CC0-1.0",
+    "CDDL-1.0",
     "ISC",
     "MIT",
     "MPL-2.0",