diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index c45ca92..4419c8b 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -7,7 +7,7 @@ description = "The macros for cdls"
 ark-ff = { version = "0.4.2", default-features = false }
 ark-ec = { version = "0.4.2", default-features = false }
 ark-r1cs-std = { version = "0.4.0", default-features = false, optional = true }
-ark-std = { version = "0.4.0", default-features = false }
+ark-std = { version = "0.5.0", default-features = false }
 pedersen = { path="../pedersen" }
 rand = { version = "0.8.5" }
 rand_core = { version = "0.6.4" }
diff --git a/pedersen/Cargo.toml b/pedersen/Cargo.toml
index e0b84a9..37c14d8 100644
--- a/pedersen/Cargo.toml
+++ b/pedersen/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 ark-ec = { version = "0.4.2", default-features = false }
-ark-std = { version = "0.4.0", default-features = false }
+ark-std = { version = "0.5.0", default-features = false }
 rand = { version = "0.8.5" }
 ark-ff = { version = "0.4.2"}
 ark-serialize = { version = "0.4.2"}
diff --git a/t256/Cargo.toml b/t256/Cargo.toml
index ef32b45..055b3e0 100644
--- a/t256/Cargo.toml
+++ b/t256/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 ark-ff = { version = "0.4.2", default-features = false }
 ark-ec = { version = "0.4.2", default-features = false }
 ark-r1cs-std = { version = "0.4.0", default-features = false, optional = true }
-ark-std = { version = "0.4.0", default-features = false }
+ark-std = { version = "0.5.0", default-features = false }
 ark-secp256r1 = {default-features = false, git = "https://github.com/arkworks-rs/curves" }
 pedersen = { path="../pedersen" }
 cdls-macros = { path="../macros"}
diff --git a/t384/Cargo.toml b/t384/Cargo.toml
index 16352b5..7de3c58 100644
--- a/t384/Cargo.toml
+++ b/t384/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 ark-ff = { version = "0.4.2", default-features = false }
 ark-ec = { version = "0.4.2", default-features = false }
 ark-r1cs-std = { version = "0.4.0", default-features = false, optional = true }
-ark-std = { version = "0.4.0", default-features = false }
+ark-std = { version = "0.5.0", default-features = false }
 pedersen = { path = "../pedersen" }
 cdls-macros = { path = "../macros" }
 rand = { version = "0.8.5" }