diff --git a/asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js b/asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js
index 0b3a86cc..0396307e 100644
--- a/asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js
+++ b/asset-transfer-basic/chaincode-javascript/lib/assetTransfer.js
@@ -7,9 +7,9 @@
 'use strict';
 
 
-//Deterministic JSON.stringify()
-const stringify = require('json-stringify-deterministic');
-const sortKeysRecursive = require('sort-keys-recursive');
+// Deterministic JSON.stringify()
+const { stringify } = require('json-stringify-deterministic');
+const { sortKeysRecursive } = require('sort-keys-recursive');
 const { Contract } = require('fabric-contract-api');
 
 class AssetTransfer extends Contract {
@@ -61,10 +61,10 @@ class AssetTransfer extends Contract {
         ];
 
         for (const asset of assets) {
-            //example of how to write to world state deterministically
-            //use convetion of alphabetic order
-            //we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
-            //when retrieving data, in any lang, the order of data will be the same and consequently also the corresonding hash
+            // example of how to write to world state deterministically
+            // use convetion of alphabetic order
+            // we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
+            // when retrieving data, in any lang, the order of data will be the same and consequently also the corresonding hash
             await ctx.stub.putState(asset.ID, Buffer.from(stringify(sortKeysRecursive(asset))));
             console.info(`Asset ${asset.ID} initialized`);
         }
@@ -108,7 +108,7 @@ class AssetTransfer extends Contract {
             Owner: owner,
             AppraisedValue: appraisedValue,
         };
-        //we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
+        // we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
         return ctx.stub.putState(id, Buffer.from(stringify(sortKeysRecursive(updatedAsset))));
     }
 
@@ -132,7 +132,7 @@ class AssetTransfer extends Contract {
         const assetString = await this.ReadAsset(ctx, id);
         const asset = JSON.parse(assetString);
         asset.Owner = newOwner;
-        //we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
+        // we insert data in alphabetic order using 'json-stringify-deterministic' and 'sort-keys-recursive'
         return ctx.stub.putState(id, Buffer.from(stringify(sortKeysRecursive(asset))));
     }
 
diff --git a/asset-transfer-basic/chaincode-javascript/package.json b/asset-transfer-basic/chaincode-javascript/package.json
index b79ae948..430f9f61 100644
--- a/asset-transfer-basic/chaincode-javascript/package.json
+++ b/asset-transfer-basic/chaincode-javascript/package.json
@@ -19,8 +19,8 @@
     "dependencies": {
         "fabric-contract-api": "^2.0.0",
         "fabric-shim": "^2.0.0",
-        "json-stringify-deterministic":"^1.0.0",
-        "sort-keys-recursive":"^2.0.0"
+        "json-stringify-deterministic": "^1.0.1",
+        "sort-keys-recursive": "^2.0.0"
     },
     "devDependencies": {
         "chai": "^4.1.2",