diff --git a/Sources/WalletConnectSign/Engine/Common/SessionEngine.swift b/Sources/WalletConnectSign/Engine/Common/SessionEngine.swift
index 9d252423f..9d0c034f6 100644
--- a/Sources/WalletConnectSign/Engine/Common/SessionEngine.swift
+++ b/Sources/WalletConnectSign/Engine/Common/SessionEngine.swift
@@ -63,7 +63,7 @@ final class SessionEngine {
         guard session.hasPermission(forMethod: request.method, onChain: request.chainId) else {
             throw WalletConnectError.invalidPermissions
         }
-        let chainRequest = SessionType.RequestParams.Request(method: request.method, params: request.params, expiry: request.expiryTimestamp)
+        let chainRequest = SessionType.RequestParams.Request(method: request.method, params: request.params, expiryTimestamp: request.expiryTimestamp)
         let sessionRequestParams = SessionType.RequestParams(request: chainRequest, chainId: request.chainId)
         let ttl = try request.calculateTtl()
         let protocolMethod = SessionRequestProtocolMethod(ttl: ttl)
@@ -229,7 +229,7 @@ private extension SessionEngine {
             method: payload.request.request.method,
             params: payload.request.request.params,
             chainId: payload.request.chainId,
-            expiry: payload.request.request.expiry
+            expiryTimestamp: payload.request.request.expiryTimestamp
         )
         guard let session = sessionStore.getSession(forTopic: topic) else {
             return respondError(payload: payload, reason: .noSessionForTopic, protocolMethod: protocolMethod)
diff --git a/Sources/WalletConnectSign/Request.swift b/Sources/WalletConnectSign/Request.swift
index f5404ec0b..3898d45df 100644
--- a/Sources/WalletConnectSign/Request.swift
+++ b/Sources/WalletConnectSign/Request.swift
@@ -30,7 +30,7 @@ public struct Request: Codable, Equatable {
         }
 
         let calculatedExpiry = UInt64(Date().timeIntervalSince1970) + UInt64(ttl)
-        self.init(id: RPCID(JsonRpcID.generate()), topic: topic, method: method, params: params, chainId: chainId, expiry: calculatedExpiry)
+        self.init(id: RPCID(JsonRpcID.generate()), topic: topic, method: method, params: params, chainId: chainId, expiryTimestamp: calculatedExpiry)
     }
 
     init<C>(id: RPCID, topic: String, method: String, params: C, chainId: Blockchain, ttl: TimeInterval = 300) throws where C: Codable {
@@ -39,16 +39,16 @@ public struct Request: Codable, Equatable {
         }
 
         let calculatedExpiry = UInt64(Date().timeIntervalSince1970) + UInt64(ttl)
-        self.init(id: id, topic: topic, method: method, params: AnyCodable(params), chainId: chainId, expiry: calculatedExpiry)
+        self.init(id: id, topic: topic, method: method, params: AnyCodable(params), chainId: chainId, expiryTimestamp: calculatedExpiry)
     }
 
-    internal init(id: RPCID, topic: String, method: String, params: AnyCodable, chainId: Blockchain, expiry: UInt64?) {
+    internal init(id: RPCID, topic: String, method: String, params: AnyCodable, chainId: Blockchain, expiryTimestamp: UInt64?) {
         self.id = id
         self.topic = topic
         self.method = method
         self.params = params
         self.chainId = chainId
-        self.expiryTimestamp = expiry
+        self.expiryTimestamp = expiryTimestamp
     }
 
     func isExpired(currentDate: Date = Date()) -> Bool {
diff --git a/Sources/WalletConnectSign/Services/HistoryService.swift b/Sources/WalletConnectSign/Services/HistoryService.swift
index 95129d427..a34f52bb5 100644
--- a/Sources/WalletConnectSign/Services/HistoryService.swift
+++ b/Sources/WalletConnectSign/Services/HistoryService.swift
@@ -50,7 +50,7 @@ private extension HistoryService {
             method: request.request.method,
             params: request.request.params,
             chainId: request.chainId,
-            expiry: request.request.expiry
+            expiryTimestamp: request.request.expiryTimestamp
         )
 
         return (mappedRequest, record.id)
diff --git a/Sources/WalletConnectSign/SignDecryptionService.swift b/Sources/WalletConnectSign/SignDecryptionService.swift
index 8b0e82125..588d07337 100644
--- a/Sources/WalletConnectSign/SignDecryptionService.swift
+++ b/Sources/WalletConnectSign/SignDecryptionService.swift
@@ -37,7 +37,7 @@ public class SignDecryptionService {
                 method: request.request.method,
                 params: request.request.params,
                 chainId: request.chainId,
-                expiry: request.request.expiry
+                expiryTimestamp: request.request.expiryTimestamp
             )
 
             return request
diff --git a/Sources/WalletConnectSign/Types/Session/SessionType.swift b/Sources/WalletConnectSign/Types/Session/SessionType.swift
index cc838f084..d4411aa9a 100644
--- a/Sources/WalletConnectSign/Types/Session/SessionType.swift
+++ b/Sources/WalletConnectSign/Types/Session/SessionType.swift
@@ -43,7 +43,7 @@ internal enum SessionType {
         struct Request: Codable, Equatable {
             let method: String
             let params: AnyCodable
-            let expiry: UInt64?
+            let expiryTimestamp: UInt64?
         }
     }