diff --git a/blockchain/package-lock.json b/blockchain/package-lock.json
index 2cd6b41d..a1022149 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": {
@@ -1753,9 +1753,9 @@
             }
         },
         "jsrsasign": {
-            "version": "8.0.12",
-            "resolved": "https://registry.npmjs.org/jsrsasign/-/jsrsasign-8.0.12.tgz",
-            "integrity": "sha1-Iqu5ZW00owuVMENnIINeicLlwxY="
+            "version": "8.0.20",
+            "resolved": "https://registry.npmjs.org/jsrsasign/-/jsrsasign-8.0.20.tgz",
+            "integrity": "sha512-JTXt9+nqdynIB8wFsS6e8ffHhIjilhywXwdaEVHSj9OVmwldG2H0EoCqkQ+KXkm2tVqREfH/HEmklY4k1/6Rcg=="
         },
         "just-extend": {
             "version": "4.0.2",