diff --git a/Cargo.lock b/Cargo.lock
index 7ec81da1..c0711fb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -423,7 +423,7 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.1.4"
+version = "3.1.5"
 dependencies = [
  "arbitrary",
  "arrayvec",
diff --git a/src/max_encoded_len.rs b/src/max_encoded_len.rs
index b8b5ad45..556fedf7 100644
--- a/src/max_encoded_len.rs
+++ b/src/max_encoded_len.rs
@@ -18,7 +18,7 @@
 use crate::{Compact, Encode};
 use impl_trait_for_tuples::impl_for_tuples;
 use core::{mem, marker::PhantomData};
-use allow::boxed::Box;
+use crate::alloc::boxed::Box;
 
 /// Items implementing `MaxEncodedLen` have a statically known maximum encoded size.
 ///