diff --git a/benches/criterion/cuprate-cryptonight/benches/hash.rs b/benches/criterion/cuprate-cryptonight/benches/hash.rs
index 552c3fc..13dd906 100644
--- a/benches/criterion/cuprate-cryptonight/benches/hash.rs
+++ b/benches/criterion/cuprate-cryptonight/benches/hash.rs
@@ -32,7 +32,7 @@ macro_rules! impl_hash_benchmark {
             // - The name of the benchmark function
             // - The input(s) to the hash function for that benchmark function
             $(
-                $fn_name:ident => ($($input:expr),* $(,)?)
+                $fn_name:ident => ($($input:expr_2021),* $(,)?)
             ),* $(,)?
         }
     )*) => {
diff --git a/benches/criterion/cuprate-rpc-types/benches/serde.rs b/benches/criterion/cuprate-rpc-types/benches/serde.rs
index 8c3c3cf..2f61248 100644
--- a/benches/criterion/cuprate-rpc-types/benches/serde.rs
+++ b/benches/criterion/cuprate-rpc-types/benches/serde.rs
@@ -27,7 +27,7 @@ macro_rules! generate_serde_benchmarks {
     (
         $(
             // The type to test => JSON of that type
-            $t:ty => $t_example:expr
+            $t:ty => $t_example:expr_2021
         ),* $(,)?
     ) => { paste::paste! {
         // Generate the benchmarking functions.