diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index 8e66aaf..fb1da68 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -16,7 +16,7 @@ proc-macro2 = "1.0.95"
 quote = "1.0.40"
 syn = { version = "2.0.104", features = ["full"] }
 include-flate-compress = { version = "0.3.1", path = "../compress", default-features = false }
-proc-macro-error2 = "2.0.1"
+proc-macro-error3 = "3.0.2"
 
 [features]
 default = ["deflate", "zstd"]
diff --git a/codegen/src/lib.rs b/codegen/src/lib.rs
index fa17282..bfd379d 100644
--- a/codegen/src/lib.rs
+++ b/codegen/src/lib.rs
@@ -22,7 +22,7 @@ use std::str::{FromStr, from_utf8};
 
 use include_flate_compress::{CompressionMethod, apply_compression};
 use proc_macro::TokenStream;
-use proc_macro_error2::{emit_warning, proc_macro_error};
+use proc_macro_error3::{emit_warning, proc_macro_error};
 use proc_macro2::Span;
 use quote::quote;
 use syn::{Error, LitByteStr};