diff --git a/.license-scan-rules.json b/.license-scan-rules.json
index e584e9d..58cb0df 100644
--- a/.license-scan-rules.json
+++ b/.license-scan-rules.json
@@ -2,10 +2,12 @@
   "allowlist": [
     "Apache-2.0",
     "BSD-2-Clause",
+    "BSD-2-Clause-FreeBSD",
     "BSD-3-Clause",
     "ISC",
     "MIT",
     "MPL-2.0",
-    "Unlicense"
+    "Unlicense",
+    "Zlib"
   ]
 }