diff --git a/Cargo.toml b/Cargo.toml
index b391785..b6c3073 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ derivative = { version = "2.1.1", default-features = false, features = [ "use_co
 # Dependencies for r1cs
 ark-crypto-primitives = { version = "^0.2.0", default-features = false, optional = true }
 ark-nonnative-field = { git = "https://github.com/arkworks-rs/nonnative", default-features = false, optional = true, rev = "d57dd4f83f7363e6310526a0a2533e4fc310564b" }
-ark-relations = { version = "^0.2.0", default-features = false, optional = true }
+ark-relations = { version = "^0.4.0", default-features = false, optional = true }
 ark-r1cs-std = { version = "^0.2.0", default-features = false, optional = true }
 tracing = { version = "0.1", default-features = false, features = [ "attributes" ], optional = true }