diff --git a/package.json b/package.json
index c3473e5..0ed2c22 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lendry-erp/contracts",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "Protobuf definitions and generated TypeScript types",
   "type": "commonjs",
   "main": "./dist/index.js",
diff --git a/proto/identity.proto b/proto/identity.proto
index 67e42c1..05763c7 100644
--- a/proto/identity.proto
+++ b/proto/identity.proto
@@ -8,6 +8,7 @@ service AuthService {
     rpc Login (LoginRequest) returns (LoginResponse);
     rpc Refresh (RefreshRequest) returns (RefreshResponse);
     rpc Logout (LogoutRequest) returns (LogoutResponse);
+    rpc UnlockPin (UnlockPinRequest) returns (UnlockPinResponse);
     rpc Register (RegisterRequest) returns (RegisterResponse);
     rpc Verify2Fa (Verify2FaRequest) returns (Verify2FaResponse);
 }
@@ -56,6 +57,15 @@ message LogoutResponse {
   string message = 1;
 }
 
+message UnlockPinRequest {
+  string access_token = 1;
+  string pin_code = 2;
+}
+
+message UnlockPinResponse {
+  string message = 1;
+}
+
 message RegisterRequest {
   string username = 1;
   string password = 2;