diff --git a/crates/curve/Cargo.toml b/crates/curve/Cargo.toml
index bf4a08f..d2db315 100644
--- a/crates/curve/Cargo.toml
+++ b/crates/curve/Cargo.toml
@@ -22,7 +22,7 @@ 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 }
 # https://github.com/arkworks-rs/algebra
-ark-ec = { version = "0.3", default-features = false }
+ark-ec = { version = "0.4", default-features = false }
 ark-ff = { version = "0.3", default-features = false }
 ark-serialize = { version = "0.3", default-features = false }
 # https://github.com/arkworks-rs/groth16
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 3657957..ef6c817 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -21,7 +21,7 @@ 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-ec = { version = "0.3", default-features = false }
+ark-ec = { version = "0.4", default-features = false }
 ark-serialize = { version = "0.3", default-features = false }
 ark-relations = { version = "0.3", default-features = false }
 ark-groth16 = { version = "0.3", default-features = false }