diff --git a/package-lock.json b/package-lock.json
index 38a4c8b..0b2b4e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -171,7 +171,7 @@
     },
     "debug": {
       "version": "0.7.4",
-      "resolved": "http://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
       "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk="
     },
     "decamelize": {
@@ -273,7 +273,7 @@
         },
         "source-map": {
           "version": "0.4.4",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
           "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
           "requires": {
             "amdefine": ">=0.0.4"
@@ -361,9 +361,9 @@
       "optional": true
     },
     "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=="
     },
     "longest": {
       "version": "1.0.1",
@@ -549,7 +549,7 @@
     },
     "source-map": {
       "version": "0.1.34",
-      "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.34.tgz",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.34.tgz",
       "integrity": "sha1-p8/omux7FoLDsZjQrPtH19CQVms=",
       "requires": {
         "amdefine": ">=0.0.4"
@@ -577,7 +577,7 @@
       "dependencies": {
         "uglify-js": {
           "version": "2.2.5",
-          "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.2.5.tgz",
           "integrity": "sha1-puAqcNg5eSuXgEiLe4sYTAlcmcc=",
           "requires": {
             "optimist": "~0.3.5",
@@ -596,7 +596,7 @@
     },
     "uglify-js": {
       "version": "2.4.24",
-      "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.4.24.tgz",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.4.24.tgz",
       "integrity": "sha1-+tV1XB4Vd2WLsG/5q25UjJW+vW4=",
       "requires": {
         "async": "~0.2.6",
diff --git a/package.json b/package.json
index 0c251cc..2b5bedc 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "express": "~4.0.0",
     "hbs": "^4.0.1",
     "jade": "~1.3.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "morgan": "~1.0.0",
     "static-favicon": "~1.0.0"
   }