diff --git a/Cargo.toml b/Cargo.toml
index 0a68a7db..b8c57c17 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,6 +23,7 @@ build = "build.rs"
 
 [features]
 default = ["feat_common_core"]
+uudoc = []
 
 feat_common_core = [
   "pwdx",