diff --git a/Cargo.toml b/Cargo.toml
index a6bfe02..485c6b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ groth-sahai = { git = "https://github.com/jdwhite48/groth-sahai-rs" }
 ark-bls12-381 = { version = "0.3" }
 ark-ec = { version = "0.3", default-features = false }
 ark-ff = { version = "0.3", default-features = false }
-ark-serialize = { version = "0.3", default-features = false }
+ark-serialize = { version = "0.4", default-features = false }
 rand_chacha = { version = "0.3" }
 
 [dev-dependencies]