diff --git a/src/lib.rs b/src/lib.rs
index c887e19..0594e8c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -19,6 +19,8 @@
 #![deny(clippy::all)]
  #![deny(clippy::cargo)]
   
   +extern crate std;
   +
    #[cfg(feature = "alloc")]
     extern crate alloc;