diff --git a/package-lock.json b/package-lock.json
index 113a565..649b1f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -860,7 +860,7 @@
     },
     "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=",
       "dev": true,
       "requires": {
@@ -3307,7 +3307,7 @@
         },
         "lodash": {
           "version": "1.0.2",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
           "integrity": "sha1-j1dWDIO1n8JwvT1WG2kAQ0MOJVE=",
           "dev": true
         },
@@ -3379,7 +3379,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -3674,7 +3674,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -4411,9 +4411,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash._basecopy": {
       "version": "3.0.1",
@@ -4823,7 +4823,7 @@
       "dependencies": {
         "minimist": {
           "version": "0.0.8",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
           "dev": true
         }
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 907f3b2..0eb72f0
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "debug": "^2.6.0",
     "express": "^4.16.4",
     "express-handlebars": "^3.0.2",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "redis": "^2.6.5",
     "sitemap-stream-parser": "^1.7.0"
   },