diff --git a/Cargo.toml b/Cargo.toml
index 75e0b8c..556b0de 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,7 +65,7 @@ serde = { version = "1", optional = true, default-features = false }
 valuable = { version = "0.1", optional = true, default-features = false }
 zeroize = { version = "1.6", optional = true, default-features = false }
 bytemuck = { version = "1.13.1", optional = true, default-features = false }
-ethereum_ssz = { version = "0.5.3", optional = true, default-features = false }
+ethereum_ssz = { version = "0.6.0", optional = true, default-features = false }
 
 # postgres
 bytes = { version = "1.4", optional = true }