diff --git a/package-lock.json b/package-lock.json
index 32c3cde..f729896 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -133,9 +133,9 @@
       "dev": true
     },
     "async": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-      "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==",
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.4.tgz",
+      "integrity": "sha512-iAB+JbDEGXhyIUavoDl9WP/Jj106Kz9DEn1DPgYw5ruDn0e3Wgi3sKFm55sASdGBNOQB8F59d9qQ7deqrHA8wQ==",
       "dev": true
     },
     "asynckit": {
@@ -347,9 +347,9 @@
       }
     },
     "chance": {
-      "version": "1.1.4",
-      "resolved": "https://registry.npmjs.org/chance/-/chance-1.1.4.tgz",
-      "integrity": "sha512-pXPDSu3knKlb6H7ahQfpq//J9mSOxYK8SMtp8MV/nRJh8aLRDIl0ipLH8At8+nVogVwtvPZzyIzY/EbcY/cLuQ==",
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/chance/-/chance-1.1.8.tgz",
+      "integrity": "sha512-v7fi5Hj2VbR6dJEGRWLmJBA83LJMS47pkAbmROFxHWd9qmE1esHRZW8Clf1Fhzr3rjxnNZVCjOEv/ivFxeIMtg==",
       "dev": true
     },
     "chokidar": {
@@ -3055,9 +3055,9 @@
       },
       "dependencies": {
         "async": {
-          "version": "2.6.3",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-          "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+          "version": "2.6.4",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+          "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
           "dev": true,
           "requires": {
             "lodash": "^4.17.14"