diff --git a/contract/package.json b/contract/package.json
index 61d640d..be8e2c7 100644
--- a/contract/package.json
+++ b/contract/package.json
@@ -72,9 +72,9 @@
     "asn1js": "^2.0.22",
     "fabric-contract-api": "1.4.1",
     "fabric-shim": "1.4.1",
-    "get-params": "^0.1.2",
     "pkijs": "^2.1.76",
     "reflect-metadata": "^0.1.13",
+    "reflect-params": "1.0.1",
     "uuid": "^3.3.2"
   }
 }
diff --git a/contract/src/lib/ledger-api/state.ts b/contract/src/lib/ledger-api/state.ts
index c906c9f..ab987a9 100644
--- a/contract/src/lib/ledger-api/state.ts
+++ b/contract/src/lib/ledger-api/state.ts
@@ -15,8 +15,8 @@ limitations under the License.
 'use strict';
 
 import { Object as ContractObject, Property } from 'fabric-contract-api';
-import * as getParams from 'get-params';
 import 'reflect-metadata';
+import { ReflectParams } from 'reflect-params';
 
 export interface IState<T> {
     new (...args: any[]): T;
@@ -53,7 +53,7 @@ export class State {
         }
 
         const paramNames: string[] = Reflect.getMetadata('contract:function', objClass.prototype, 'constructor') ||
-            getParams(objClass.prototype.constructor);
+            ReflectParams(objClass.prototype.constructor);
 
         const args = [];
         const missingFields = [];
diff --git a/contract/src/lib/utils/annotations.ts b/contract/src/lib/utils/annotations.ts
index 1ad8b08..3ab45ba 100644
--- a/contract/src/lib/utils/annotations.ts
+++ b/contract/src/lib/utils/annotations.ts
@@ -11,8 +11,8 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */
-import * as getParams from 'get-params';
 import 'reflect-metadata';
+import { ReflectParams } from 'reflect-params';
 
 export function NotRequired(target: any, propertyKey: string, descriptor: number) {
     if (typeof propertyKey === 'undefined') {
@@ -21,7 +21,7 @@ export function NotRequired(target: any, propertyKey: string, descriptor: number
     }
 
     const existingParams = Reflect.getMetadata('contract:function', target, propertyKey) ||
-        getParams(target[propertyKey]);
+        ReflectParams(target[propertyKey]);
 
     existingParams[descriptor] = (existingParams[descriptor] as string).endsWith('?') ?
         existingParams[descriptor] : existingParams[descriptor] + '?';
diff --git a/package-lock.json b/package-lock.json
index f424aff..3934fcc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vehicle-manufacture-iot-extension",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {