diff --git a/Cargo.toml b/Cargo.toml
index 5e0d94b..4e271c4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,17 +11,17 @@ repository = "https://github.com/init4tech/zenith"
 license = "AGPL-3.0"
 
 [dependencies]
-alloy-primitives = { version = "0.8", features = ["serde", "tiny-keccak"] }
-alloy-sol-types = { version = "0.8", features = ["json"] }
+alloy-primitives = { version = "0.8.11", features = ["serde", "tiny-keccak"] }
+alloy-sol-types = { version = "0.8.11", features = ["json"] }
 
 alloy-rlp = { version = "0.3.4" }
 
-alloy = { version = "=0.5.4", features = ["full", "json-rpc", "signer-aws"] }
-alloy-contract = { version = "=0.5.4", features = ["pubsub"] }
+alloy = { version = "=0.7.3", features = ["full", "json-rpc", "signer-aws"] }
+alloy-contract = { version = "=0.7.3", features = ["pubsub"] }
 
 serde = { version = "1.0.197", features = ["derive"] }
 
 [dev-dependencies]
-serde_json = "1.0.116"
+serde_json = "1.0.94"
 tokio = { version = "1.37.0", features = ["macros"] }
 
diff --git a/src/block.rs b/src/block.rs
index 54be55f..11af25b 100644
--- a/src/block.rs
+++ b/src/block.rs
@@ -223,19 +223,18 @@ where
 #[cfg(test)]
 mod test {
     use alloy::consensus::{Signed, TxEip1559};
-    use alloy::signers::Signature;
+    use alloy_primitives::PrimitiveSignature;
     use alloy_primitives::{b256, bytes, Address, U256};
 
     use super::*;
 
     #[test]
     fn encode_decode() {
-        let sig = Signature::from_scalars_and_parity(
+        let sig = PrimitiveSignature::from_scalars_and_parity(
             b256!("840cfc572845f5786e702984c2a582528cad4b49b2a10b9db1be7fca90058565"),
             b256!("25e7109ceb98168d95b09b18bbf6b685130e0562f233877d492b94eee0c5b6d1"),
             false,
-        )
-        .unwrap();
+        );
 
         let tx = ZenithTransaction::Eip1559(Signed::new_unchecked(
             TxEip1559 {
diff --git a/src/lib.rs b/src/lib.rs
index 4366b63..6458d22 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -40,8 +40,9 @@ pub trait RequestSigner {
     fn sign_request(
         &self,
         request: &SignRequest,
-    ) -> impl std::future::Future<Output = Result<alloy_primitives::Signature, alloy::signers::Error>>
-           + Send;
+    ) -> impl std::future::Future<
+        Output = Result<alloy_primitives::PrimitiveSignature, alloy::signers::Error>,
+    > + Send;
 }
 
 impl<T> RequestSigner for T
@@ -51,7 +52,7 @@ where
     async fn sign_request(
         &self,
         request: &SignRequest,
-    ) -> Result<alloy_primitives::Signature, alloy::signers::Error> {
+    ) -> Result<alloy_primitives::PrimitiveSignature, alloy::signers::Error> {
         let hash = request.signing_hash();
         self.sign_hash(&hash).await
     }
diff --git a/src/resp.rs b/src/resp.rs
index d3389f5..a3cff07 100644
--- a/src/resp.rs
+++ b/src/resp.rs
@@ -1,5 +1,5 @@
 use crate::SignRequest;
-use alloy_primitives::{Address, Signature, SignatureError};
+use alloy_primitives::{Address, PrimitiveSignature, SignatureError};
 use serde::{Deserialize, Serialize};
 
 /// A signature response from a [`RequestSigner`].
@@ -11,7 +11,7 @@ pub struct SignResponse {
     /// The request that was signed.
     pub req: SignRequest,
     /// The signature over that request.
-    pub sig: Signature,
+    pub sig: PrimitiveSignature,
 }
 
 impl SignResponse {