diff --git a/positional/Cargo.toml b/positional/Cargo.toml
index 1deb044..42610ca 100644
--- a/positional/Cargo.toml
+++ b/positional/Cargo.toml
@@ -29,6 +29,6 @@ thiserror = "1.0.31"
 
 [dev-dependencies]
 chrono = "0.4.19"
-criterion = "0.4.0"
+criterion = "0.5.1"
 fake = {version = "2.4.3", features = ["derive", "chrono"]}
 rand = "0.8"
diff --git a/positional/src/field.rs b/positional/src/field.rs
index 9494b4f..946551d 100644
--- a/positional/src/field.rs
+++ b/positional/src/field.rs
@@ -1,3 +1,5 @@
+use std::fmt::Display;
+
 use pad::{Alignment, PadStr};
 use std::fmt::Display;