diff --git a/blockchain/package-lock.json b/blockchain/package-lock.json
index 2cd6b41d..9dbb3dab 100644
--- a/blockchain/package-lock.json
+++ b/blockchain/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "hackathon_2019",
-    "version": "0.0.1",
+    "version": "0.0.3",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
@@ -166,9 +166,9 @@
             "integrity": "sha512-+ZbcUwJdaBgOZpwXeT0v+gHC/jQbEfzoc9s4d0rN0JIKeQbuTrT+A2n1aQY6LpZjrLXJT7avVUqiCecCJeeZxA=="
         },
         "acorn": {
-            "version": "6.2.0",
-            "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.2.0.tgz",
-            "integrity": "sha512-8oe72N3WPMjA+2zVG71Ia0nXZ8DpQH+QyyHO+p06jT8eg8FGG3FbcUIi8KziHlAfheJQZeoqbvq1mQSQHXKYLw==",
+            "version": "6.4.1",
+            "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+            "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
             "dev": true
         },
         "acorn-jsx": {