diff --git a/Cargo.toml b/Cargo.toml
index fc4538f..1a9b9c3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ ark-ec = { version = "^0.4.0", default-features = false }
 ark-serialize = { version = "^0.4.0", default-features = false, features = [ "derive" ] }
 ark-poly = { version = "^0.4.0", default-features = false }
 ark-std = { version = "^0.4.0", default-features = false }
-ark-relations = { version = "^0.4.0", default-features = false }
+ark-relations = { version = "^0.5.1", default-features = false }
 ark-crypto-primitives = { version = "^0.4.0", features = ["snark"], default-features = false }
 ark-r1cs-std = { version = "^0.4.0", default-features = false, optional = true }