diff --git a/package-lock.json b/package-lock.json
index fff064c..0b51439 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -103,9 +103,9 @@
       "dev": true
     },
     "@types/lodash": {
-      "version": "4.14.123",
-      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.123.tgz",
-      "integrity": "sha512-pQvPkc4Nltyx7G1Ww45OjVqUsJP4UsZm+GWJpigXgkikZqJgRm4c48g027o6tdgubWHwFRF15iFd+Y4Pmqv6+Q==",
+      "version": "4.14.154",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.154.tgz",
+      "integrity": "sha512-VoDZIJmg3P8vPEnTldLvgA+q7RkIbVkbYX4k0cAVFzGAOQwUehVgRHgIr2/wepwivDst/rVRqaiBSjCXRnoWwQ==",
       "dev": true
     },
     "@types/lolex": {
@@ -2251,7 +2251,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2666,7 +2667,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2722,6 +2724,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2765,12 +2768,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },