diff --git a/crates/curve/Cargo.toml b/crates/curve/Cargo.toml
index bf4a08f..1c96e81 100644
--- a/crates/curve/Cargo.toml
+++ b/crates/curve/Cargo.toml
@@ -23,7 +23,7 @@ ark-bw6-761 = { version = "0.3", default-features = false }
 ark-cp6-782 = { version = "0.3", default-features = false }
 # https://github.com/arkworks-rs/algebra
 ark-ec = { version = "0.3", default-features = false }
-ark-ff = { version = "0.3", default-features = false }
+ark-ff = { version = "0.4", default-features = false }
 ark-serialize = { version = "0.3", default-features = false }
 # https://github.com/arkworks-rs/groth16
 ark-groth16 = { version = "0.3", default-features = false, optional = true }
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 3657957..f2039ac 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -20,7 +20,7 @@ ark-bls12-381 = { version = "0.3", default-features = false, features = ["curve"
 ark-bn254 = { version = "0.3", default-features = false, features = ["curve"] }
 ark-bw6-761 = { version = "0.3", default-features = false }
 ark-cp6-782 = { version = "0.3", default-features = false }
-ark-ff = { version = "0.3", default-features = false }
+ark-ff = { version = "0.4", default-features = false }
 ark-ec = { version = "0.3", default-features = false }
 ark-serialize = { version = "0.3", default-features = false }
 ark-relations = { version = "0.3", default-features = false }