diff --git a/halo2_proofs/Cargo.toml b/halo2_proofs/Cargo.toml
index cf62f69ce0..d9ac7ba31a 100644
--- a/halo2_proofs/Cargo.toml
+++ b/halo2_proofs/Cargo.toml
@@ -51,7 +51,7 @@ harness = false
 backtrace = { version = "0.3", optional = true }
 ff = "0.13"
 group = "0.13"
-halo2curves = { version = "0.1.0" }
+halo2curves = { version = "0.4.0" }
 rand_core = { version = "0.6", default-features = false }
 tracing = "0.1"
 blake2b_simd = "1" # MSRV 1.66.0