diff --git a/src/prover.rs b/src/prover.rs
index ed85446..5130ae6 100644
--- a/src/prover.rs
+++ b/src/prover.rs
@@ -1,6 +1,5 @@
+use ark_std::{borrow::ToOwned, rand::Rng};
 use core::ops::Mul;
-
-use ark_std::rand::Rng;
 #[cfg(feature = "parallel")]
 use rayon::prelude::*;
 
diff --git a/src/verifier.rs b/src/verifier.rs
index a19b2c9..36b334b 100644
--- a/src/verifier.rs
+++ b/src/verifier.rs
@@ -3,7 +3,7 @@ use ark_ec::{
     AffineRepr, CurveGroup,
 };
 use ark_relations::r1cs::{Result as R1CSResult, SynthesisError};
-use ark_std::Zero;
+use ark_std::{borrow::ToOwned, Zero};
 use core::ops::{AddAssign, Mul};
 
 use super::{PreparedVerifyingKey, Proof, VerifyingKey};