diff --git a/tests/kat_amortized.rs b/tests/kat_amortized.rs
index 857bf35..5be91a4 100644
--- a/tests/kat_amortized.rs
+++ b/tests/kat_amortized.rs
@@ -215,7 +215,7 @@ async fn generate_kat_amortized_token<CS: PrivateCipherSuite>() -> AmortizedToke
 
     let pk_s = serialize_public_key::<CS>(public_key);
 
-    let redemption_context = if OsRng.next_u32() % 2 == 0 {
+    let redemption_context = if OsRng.next_u32().is_multiple_of(2) {
         let mut bytes = [0u8; 32];
         OsRng.fill_bytes(&mut bytes);
         Some(bytes)
diff --git a/tests/kat_private.rs b/tests/kat_private.rs
index 33265eb..63d964c 100644
--- a/tests/kat_private.rs
+++ b/tests/kat_private.rs
@@ -189,7 +189,7 @@ pub(crate) async fn generate_kat_private_token<CS: PrivateCipherSuite>() -> Priv
 
     let pk_s = serialize_public_key::<CS>(public_key);
 
-    let redemption_context = if OsRng.next_u32() % 2 == 0 {
+    let redemption_context = if OsRng.next_u32().is_multiple_of(2) {
         let mut bytes = [0u8; 32];
         OsRng.fill_bytes(&mut bytes);
         Some(bytes)
diff --git a/tests/kat_public.rs b/tests/kat_public.rs
index 21172d3..e894570 100644
--- a/tests/kat_public.rs
+++ b/tests/kat_public.rs
@@ -216,7 +216,7 @@ pub(crate) async fn generate_kat_public_token() -> PublicTokenTestVector {
         blind.clone().to_vec(),
     );
 
-    let redemption_context = if OsRng.next_u32() % 2 == 0 {
+    let redemption_context = if OsRng.next_u32().is_multiple_of(2) {
         let mut bytes = [0u8; 32];
         OsRng.fill_bytes(&mut bytes);
         Some(bytes)