diff --git a/package-lock.json b/package-lock.json
index a0b844a7..ce0710b1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "version": "2.1.1",
       "license": "Apache-2.0",
       "dependencies": {
-        "async": "^2.1.2",
+        "async": "^3.2.2",
         "body-parser": "^1.15.2",
         "colors": "^1.1.2",
         "cookie-parser": "^1.4.3",
@@ -300,12 +300,9 @@
       }
     },
     "node_modules/async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "dependencies": {
-        "lodash": "4.17.10"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "node_modules/async-each": {
       "version": "1.0.1",
@@ -3200,6 +3197,15 @@
         "node": ">= 0.8.x"
       }
     },
+    "node_modules/grunt-browserify/node_modules/async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "dev": true,
+      "dependencies": {
+        "lodash": "^4.17.10"
+      }
+    },
     "node_modules/grunt-browserify/node_modules/browserify": {
       "version": "16.2.2",
       "resolved": "https://registry.npmjs.org/browserify/-/browserify-16.2.2.tgz",
@@ -3677,6 +3683,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/grunt-contrib-watch/node_modules/async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "dev": true,
+      "dependencies": {
+        "lodash": "^4.17.10"
+      }
+    },
     "node_modules/grunt-known-options": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/grunt-known-options/-/grunt-known-options-2.0.0.tgz",
@@ -3752,12 +3767,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/grunt-legacy-util/node_modules/async": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-      "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==",
-      "dev": true
-    },
     "node_modules/grunt-legacy-util/node_modules/lodash": {
       "version": "4.17.21",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
@@ -3778,6 +3787,15 @@
         "npm": ">= 3"
       }
     },
+    "node_modules/grunt-subgrunt/node_modules/async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "dev": true,
+      "dependencies": {
+        "lodash": "^4.17.10"
+      }
+    },
     "node_modules/grunt/node_modules/glob": {
       "version": "7.1.7",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.7.tgz",
@@ -5520,7 +5538,7 @@
     },
     "node_modules/mkdirp": {
       "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "dependencies": {
         "minimist": "0.0.8"
@@ -8620,12 +8638,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "requires": {
-        "lodash": "4.17.10"
-      }
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.2.tgz",
+      "integrity": "sha512-H0E+qZaDEfx/FY4t7iLRv1W2fFI6+pyCeTw1uN20AQPiwqwM6ojPxHxdLv4z8hi2DtnW9BOckSspLucW7pIE5g=="
     },
     "async-each": {
       "version": "1.0.1",
@@ -11050,6 +11065,15 @@
         "watchify": "3.11.0"
       },
       "dependencies": {
+        "async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.10"
+          }
+        },
         "browserify": {
           "version": "16.2.2",
           "resolved": "https://registry.npmjs.org/browserify/-/browserify-16.2.2.tgz",
@@ -11433,6 +11457,17 @@
         "gaze": "1.1.3",
         "lodash": "4.17.10",
         "tiny-lr": "1.1.1"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.10"
+          }
+        }
       }
     },
     "grunt-known-options": {
@@ -11499,12 +11534,6 @@
         "which": "~2.0.2"
       },
       "dependencies": {
-        "async": {
-          "version": "3.2.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-          "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==",
-          "dev": true
-        },
         "lodash": {
           "version": "4.17.21",
           "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
@@ -11521,6 +11550,17 @@
       "requires": {
         "async": "2.6.1",
         "glob": "7.1.3"
+      },
+      "dependencies": {
+        "async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.10"
+          }
+        }
       }
     },
     "handle-thing": {
@@ -12878,7 +12918,7 @@
     },
     "mkdirp": {
       "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "requires": {
         "minimist": "0.0.8"
diff --git a/package.json b/package.json
index 4925d3e7..2d232ddb 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "test": "test"
   },
   "dependencies": {
-    "async": "^2.1.2",
+    "async": "^3.2.2",
     "body-parser": "^1.15.2",
     "colors": "^1.1.2",
     "cookie-parser": "^1.4.3",