diff --git a/about.toml b/about.toml
index 3e0956ee31..75ebf720dd 100644
--- a/about.toml
+++ b/about.toml
@@ -12,6 +12,7 @@ accepted = [
     "Unlicense",
     "Zlib",
     "zlib-acknowledgement",
+    "Unicode-3.0",
 ]
 
 targets = [