diff --git a/node/app/package-lock.json b/node/app/package-lock.json
index 3ed84ce..ba58066 100644
--- a/node/app/package-lock.json
+++ b/node/app/package-lock.json
@@ -5291,30 +5291,16 @@
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+      "version": "3.1.8",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.8.tgz",
+      "integrity": "sha512-R97qglMfoKjfKD0N24o7W6bS+SwjN/eaQNIaxR8S5HdLRnt7rCk6LCmE3tve1KN8gXKgbJU51aZHRRMAQcIbMA==",
       "dev": true
     },
     "undefsafe": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.2.tgz",
-      "integrity": "sha1-Il9rngM3Zj4Njnz9aG/Cg2zKznY=",
-      "dev": true,
-      "requires": {
-        "debug": "^2.2.0"
-      },
-      "dependencies": {
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-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        }
-      }
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
     },
     "union-value": {
       "version": "1.0.0",