diff --git a/package-lock.json b/package-lock.json
index 58bf67b..ad41c40 100644
--- a/package-lock.json
+++ b/package-lock.json
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+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
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-          "requires": {
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+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.0"
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@@ -589,10 +422,13 @@
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-      "resolved": "http://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
-      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
+    "strip-ansi": {
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+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
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+      }
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@@ -629,59 +465,19 @@
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-      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
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       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
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     "wrap-ansi": {
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-6.2.0.tgz",
+      "integrity": "sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==",
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-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "requires": {
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-        "string-width": {
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-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
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-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
-        }
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
       }
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     "wrappy": {
@@ -696,28 +492,27 @@
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     "yargs": {
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-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-      "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+      "version": "15.0.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.0.2.tgz",
+      "integrity": "sha512-GH/X/hYt+x5hOat4LMnCqMd8r5Cv78heOMIJn1hr7QPPBqfeC6p89Y78+WB9yGDvfpCvgasfmWLzNzEioOUD9Q==",
       "requires": {
-        "cliui": "^4.0.0",
+        "cliui": "^6.0.0",
         "decamelize": "^1.2.0",
-        "find-up": "^3.0.0",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^3.0.0",
+        "find-up": "^4.1.0",
+        "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
+        "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
-        "string-width": "^2.0.0",
+        "string-width": "^4.2.0",
         "which-module": "^2.0.0",
-        "y18n": "^3.2.1 || ^4.0.0",
-        "yargs-parser": "^11.1.1"
+        "y18n": "^4.0.0",
+        "yargs-parser": "^16.1.0"
       }
     },
     "yargs-parser": {
-      "version": "11.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-      "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+      "version": "16.1.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-16.1.0.tgz",
+      "integrity": "sha512-H/V41UNZQPkUMIT5h5hiwg4QKIY1RPvoBV4XcjUbRM8Bk2oKqqyZ0DIEbTFZB0XjbtSPG8SAa/0DxCQmiRgzKg==",
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diff --git a/package.json b/package.json
index f4724a8..449a546 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   "dependencies": {
     "chalk": "3.0.0",
     "minimatch": "3.0.4",
-    "yargs": "12.0.5"
+    "yargs": "15.0.2"
   },
   "devDependencies": {
     "tape": "4.11.0"