diff --git a/README.md b/README.md
index 25eb35d..abe2e30 100644
--- a/README.md
+++ b/README.md
@@ -10,5 +10,7 @@ https://github.com/danielmiessler/SecLists
 
 [xmendez/wfuzz](https://github.com/xmendez/wfuzz/tree/master/wordlist)
 
+license: GPL v3
+
 去其糟粕，留其精华。