diff --git a/Cargo.lock b/Cargo.lock
index 9f89a7c2..b015231e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -256,7 +256,7 @@ version = "0.6.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.110",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 103448c1..8ae5904b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,7 +25,7 @@ semver = "1.0.27"
 serde = "1.0.228"
 serde_yaml = "0.9.34"
 sha256 = "1.6.0"
-syn = "1.0.109"
+syn = "2.0.110"
 tempfile = "3.23.0"
 walrus = "0.23.3"
 wasmparser = "0.235.0"
diff --git a/canbench-rs-macros/src/lib.rs b/canbench-rs-macros/src/lib.rs
index 37fea20a..0895fc33 100644
--- a/canbench-rs-macros/src/lib.rs
+++ b/canbench-rs-macros/src/lib.rs
@@ -1,6 +1,7 @@
 use proc_macro::TokenStream;
 use quote::{quote, ToTokens};
-use syn::{parse_macro_input, AttributeArgs, ItemFn, NestedMeta, ReturnType};
+use syn::punctuated::Punctuated;
+use syn::{parse_macro_input, ItemFn, Meta, ReturnType, Token};
 
 /// A macro for declaring a benchmark where only some part of the function is
 /// benchmarked.
@@ -10,7 +11,7 @@ pub fn bench(arg_tokens: TokenStream, item: TokenStream) -> TokenStream {
     let input = parse_macro_input!(item as ItemFn);
 
     // Parse the attribute arguments
-    let args = parse_macro_input!(arg_tokens as AttributeArgs);
+    let args = parse_macro_input!(arg_tokens with Punctuated::<Meta, Token![,]>::parse_terminated);
 
     // Extract function name, inputs, and output
     let func_name = &input.sig.ident;
@@ -32,8 +33,9 @@ pub fn bench(arg_tokens: TokenStream, item: TokenStream) -> TokenStream {
     let tracing_func_name = syn::Ident::new(&format!("__tracing__{}", func_name), func_name.span());
 
     // Validate the argument and generate code accordingly
+    let args: Vec<Meta> = args.into_iter().collect();
     let expanded = match args.as_slice() {
-        [NestedMeta::Meta(meta)] if meta.path().is_ident("raw") => {
+        [meta] if meta.path().is_ident("raw") => {
             // If the argument is "raw", validate that the function returns BenchResult
             if let ReturnType::Type(_, ty) = output {
                 if ty.to_token_stream().to_string() != quote!(BenchResult).to_string()