diff --git a/package-lock.json b/package-lock.json
index 805a389..f46f3a0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
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@@ -269,7 +269,7 @@
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-      "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,
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@@ -501,7 +501,7 @@
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       "version": "2.2.0",
-      "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
       "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
       "dev": true,
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@@ -1088,12 +1088,9 @@
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-      "resolved": "https://registry.npmjs.org/flat/-/flat-2.0.1.tgz",
-      "integrity": "sha1-cOKRiKdL4MPIlAnu0fqVd5B64y8=",
-      "requires": {
-        "is-buffer": "~1.1.2"
-      }
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.1.tgz",
+      "integrity": "sha512-DUYDWLlMhV9qvhjbgmhDQ3ZycXmoOKzrj4KN0+5BEat5SqTlXcXzxNgwiSN1UQHA5Z0BsgYYPelhQHVhpfqaVA=="
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@@ -1536,11 +1533,6 @@
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-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
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       "resolved": "https://registry.npmjs.org/is-ci/-/is-ci-1.2.1.tgz",
@@ -2211,13 +2203,13 @@
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     "minimist": {
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-      "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
     },
     "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=",
       "dev": true,
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@@ -2226,7 +2218,7 @@
       "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
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@@ -2253,7 +2245,7 @@
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           "version": "2.15.1",
-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
           "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
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@@ -2403,6 +2395,7 @@
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           "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
           "dev": true,
+          "optional": true,
           "requires": {
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             "longest": "^1.0.1",
@@ -3253,7 +3246,8 @@
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           "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
           "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3958,7 +3952,7 @@
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     "onetime": {
       "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz",
       "integrity": "sha1-ofeDj4MUxRbwXs78vEzP4EtO14k=",
       "dev": true
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@@ -4876,7 +4870,7 @@
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         "inquirer": {
           "version": "0.12.0",
-          "resolved": "http://registry.npmjs.org/inquirer/-/inquirer-0.12.0.tgz",
+          "resolved": "https://registry.npmjs.org/inquirer/-/inquirer-0.12.0.tgz",
           "integrity": "sha1-HvK/1jUE3wvHV4X/+MLEHfEvB34=",
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@@ -4936,7 +4930,7 @@
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         "table": {
           "version": "3.8.3",
-          "resolved": "http://registry.npmjs.org/table/-/table-3.8.3.tgz",
+          "resolved": "https://registry.npmjs.org/table/-/table-3.8.3.tgz",
           "integrity": "sha1-K7xULw/amGGnVdOUf+/Ys/UThV8=",
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@@ -5377,7 +5371,7 @@
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     "wrap-ansi": {
       "version": "2.1.0",
-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
diff --git a/package.json b/package.json
index 1f80916..2fcebd8 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
   },
   "dependencies": {
     "deep-equal": "^1.0.1",
-    "flat": "^2.0.1",
+    "flat": "^5.0.1",
     "install": "^0.10.0",
     "js-function-reflector": "git+https://github.com/leonardiwagner/js-function-reflector.git"
   },