diff --git a/src/lib.rs b/src/lib.rs
index 1c7b19c..cf0e540 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -51,6 +51,7 @@ grass input.scss
     clippy::replace_consts,
     clippy::single_match,
     clippy::float_arithmetic,
+    clippy::unimplemented,
 
     // temporarily allowed while under heavy development.
     // eventually these allows should be refactored away