diff --git a/Cargo.toml b/Cargo.toml
index 315e676..9259638 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,10 +16,10 @@ version = "0.2.1"
 syn = { version = "2", features = ["full", "extra-traits"] }
 quote = "1"
 proc-macro2 = "1"
-proc-macro-error2 = "2"
+proc-macro-error3 = "3"
 heck = "0.4"
 
-[dev_dependencies]
+[dev-dependencies]
 trybuild = "1"
 
 [lib]
diff --git a/src/lib.rs b/src/lib.rs
index 3301aea..5d97fdf 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -105,7 +105,7 @@ extern crate proc_macro;
 
 use heck::ToSnakeCase;
 use proc_macro2::TokenStream;
-use proc_macro_error2::{abort, proc_macro_error};
+use proc_macro_error3::{abort, proc_macro_error};
 use quote::*;
 use syn::{spanned::Spanned, *};