diff --git a/Cargo.toml b/Cargo.toml
index c102f2d..a3c07e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,26 +6,26 @@ edition = "2021"
 
 [dependencies]
 crossbeam-channel = "0.5"
-ark-ff = { version = "0.4.2", default-features = false }
-ark-ec = { version = "0.4.2", default-features = false }
-ark-serialize = { version = "^0.4.2", default-features = false, features = [ "derive" ] }
-ark-poly = { version = "^0.4.2", default-features = false }
-ark-std = { version = "^0.4.0", default-features = false }
-ark-relations = { version = "^0.4.0", default-features = false }
-ark-crypto-primitives = { version = "^0.4.0", default-features = false }
-ark-groth16 = { version = "^0.4.0", default-features = false }
-rand = { version = "0.8" }
-rand_core = { version = "^0.6" }
+ark-ff = { version = "0.5.0", default-features = false }
+ark-ec = { version = "0.5.0", default-features = false }
+ark-serialize = { version = "^0.5.0", default-features = false, features = ["derive"] }
+ark-poly = { version = "^0.5.0", default-features = false }
+ark-std = { version = "^0.5.0", default-features = false }
+ark-relations = { version = "^0.5.1", default-features = false }
+ark-crypto-primitives = { version = "^0.5.0", default-features = false }
+ark-groth16 = { version = "^0.5.0", default-features = false }
+rand = "0.8"
+rand_core = "^0.6"
 digest = { version = "0.10.7" }
 sha2 = { version = "^0.10" }
 rayon = { version = "1", optional = true }
-thiserror = { version = "^1.0" }
+thiserror = "^2.0"
 merlin = { version = "^3.0" }
 
 [dev-dependencies]
-ark-bls12-381 = { version = "^0.4.0", default-features = false, features = ["curve"] }
+ark-bls12-381 = { version = "^0.5.0", default-features = false, features = ["curve"] }
 rand_chacha = "0.3"
-criterion = "0.5.1"
+criterion = "0.7.0"
 
 [features]
 default = ["parallel"]
diff --git a/src/commitment.rs b/src/commitment.rs
index 9f5dec5..6098499 100644
--- a/src/commitment.rs
+++ b/src/commitment.rs
@@ -192,7 +192,7 @@ mod tests {
     use super::*;
     use crate::srs::structured_generators_scalar_power;
     use ark_bls12_381::{Bls12_381 as Bls12, Fr, G1Projective, G2Projective};
-    use ark_ec::Group;
+    use ark_ec::PrimeGroup;
     use ark_std::UniformRand;
     use rand_core::SeedableRng;
 
diff --git a/src/srs.rs b/src/srs.rs
index 2ed923e..b910705 100644
--- a/src/srs.rs
+++ b/src/srs.rs
@@ -1,8 +1,7 @@
-use ark_ec::scalar_mul::fixed_base::FixedBase;
+use ark_ec::scalar_mul::BatchMulPreprocessing;
 // msm::FixedBaseMSM;
-use ark_ec::{pairing::Pairing, AffineRepr, CurveGroup, Group};
+use ark_ec::{pairing::Pairing, AffineRepr, CurveGroup, PrimeGroup};
 // {AffineCurve, PairingEngine, ProjectiveCurve};
-use ark_ff::PrimeField;
 use ark_serialize::{CanonicalDeserialize, CanonicalSerialize, SerializationError};
 use ark_std::{rand::Rng, One, UniformRand};
 use sha2::{Digest, Sha256};
@@ -299,20 +298,12 @@ pub(crate) fn structured_generators_scalar_power<G: CurveGroup>(
         powers_of_scalar.push(pow_s);
         pow_s.mul_assign(s);
     }
-    let scalar_bits = G::ScalarField::MODULUS_BIT_SIZE as usize;
-    let window_size = FixedBase::get_mul_window_size(num);
-    let g_table = FixedBase::get_window_table::<G>(scalar_bits, window_size, g.clone());
-    let powers_of_g = FixedBase::msm::<G>(
-        //let powers_of_g = msm::fixed_base::multi_scalar_mul::<G>(
-        scalar_bits,
-        window_size,
-        &g_table,
-        &powers_of_scalar[..],
-    );
-    powers_of_g.into_iter().map(|v| v.into_affine()).collect()
+
+    let g_table = BatchMulPreprocessing::new(g.clone(), num);
+    g_table.batch_mul(&powers_of_scalar[..])
 }
 
-fn write_vec<G: Group, W: Write>(mut w: W, v: &[G]) -> Result<(), SerializationError> {
+fn write_vec<G: PrimeGroup, W: Write>(mut w: W, v: &[G]) -> Result<(), SerializationError> {
     for p in v {
         p.serialize_compressed(&mut w)?;
     }
diff --git a/src/transcript.rs b/src/transcript.rs
index cdaf05b..729e28a 100644
--- a/src/transcript.rs
+++ b/src/transcript.rs
@@ -58,7 +58,7 @@ impl Transcript for Merlin {
 mod test {
     use super::*;
     use ark_bls12_381::{Fr, G1Projective};
-    use ark_ec::Group;
+    use ark_ec::PrimeGroup;
 
     #[test]
     fn transcript() {