diff --git a/backend/package-lock.json b/backend/package-lock.json
index 57aade0..7c88252 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -640,7 +640,7 @@
     },
     "chalk": {
       "version": "2.3.2",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
       "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
       "requires": {
         "ansi-styles": "^3.2.1",
@@ -1237,7 +1237,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "requires": {
             "ansi-styles": "^2.2.1",
@@ -3171,7 +3171,7 @@
       "dependencies": {
         "eventemitter2": {
           "version": "0.4.14",
-          "resolved": "http://registry.npmjs.org/eventemitter2/-/eventemitter2-0.4.14.tgz",
+          "resolved": "https://registry.npmjs.org/eventemitter2/-/eventemitter2-0.4.14.tgz",
           "integrity": "sha1-j2G3XN4BKy6esoTUVFWDtWQ7Yas="
         }
       }
@@ -4575,13 +4575,10 @@
       "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo="
     },
     "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"
-      }
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-2.0.5.tgz",
+      "integrity": "sha512-WxONCrssBM8TSPRqN5EmsjVrsv4A8X12J4ArBiiayv3DyyG3ZlIg6yysuuSYdZsVz3TKcTg2fd//Ujd4CHV1iA==",
+      "dev": true
     },
     "union-value": {
       "version": "1.0.1",