diff --git a/app/package-lock.json b/app/package-lock.json
index cf565d3..a44bbaa 100644
--- a/app/package-lock.json
+++ b/app/package-lock.json
@@ -4329,6 +4329,11 @@
         "wrappy": "1"
       }
     },
+    "openzeppelin-solidity": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/openzeppelin-solidity/-/openzeppelin-solidity-2.5.1.tgz",
+      "integrity": "sha512-oCGtQPLOou4su76IMr4XXJavy9a8OZmAXeUZ8diOdFznlL/mlkIlYr7wajqCzH4S47nlKPS7m0+a2nilCTpVPQ=="
+    },
     "opn": {
       "version": "5.4.0",
       "resolved": "https://registry.npmjs.org/opn/-/opn-5.4.0.tgz",
@@ -5774,9 +5779,9 @@
       }
     },
     "thenify": {
-      "version": "3.3.0",
-      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.0.tgz",
-      "integrity": "sha1-5p44obq+lpsBCCB5eLn2K4hgSDk=",
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
+      "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==",
       "requires": {
         "any-promise": "^1.0.0"
       }