diff --git a/package-lock.json b/package-lock.json
index 5f1ff8c..8c03466 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,16 +4,36 @@
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+      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
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+      "dev": true,
+      "requires": {
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+        "run-parallel": "^1.1.9"
+      }
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+    "@nodelib/fs.stat": {
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+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.5.tgz",
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-      "resolved": "https://registry.npmjs.org/acorn-es7-plugin/-/acorn-es7-plugin-1.1.7.tgz",
-      "integrity": "sha1-8u4fMiipDurRJF+asZIusucdM2s=",
+    "@nodelib/fs.walk": {
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+      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.8.tgz",
+      "integrity": "sha512-oGB+UxlgWcgQkgwo8GcEGwemoTFt3FIO9ababBmaGwXIoBKZ+GTy0pP185beGg7Llih/NSHSV2XAs1lnznocSg==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.scandir": "2.1.5",
+        "fastq": "^1.6.0"
+      }
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+    "acorn": {
+      "version": "8.8.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.1.tgz",
+      "integrity": "sha512-7zFpHzhnqYKrkYdUjF1HI1bzd0VygEGX8lFk4k5zVMqHEoES+P+7TKI+EvLO9WVMJ8eekdO0aDEK044xTXwPPA==",
       "dev": true
     },
     "acorn-jsx": {
@@ -33,6 +53,30 @@
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+    "acorn-walk": {
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+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
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+      "dev": true
+    },
+    "aggregate-error": {
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+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-4.0.1.tgz",
+      "integrity": "sha512-0poP0T7el6Vq3rstR8Mn4V/IQrpBLO6POkUSrN7RhyY+GF/InCFShQzsQ39T25gkHhLgSLByyAz+Kjb+c2L98w==",
+      "dev": true,
+      "requires": {
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+        "indent-string": "^5.0.0"
+      },
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+          "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-5.0.0.tgz",
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+        }
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@@ -49,15 +93,6 @@
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@@ -77,14 +112,13 @@
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-      "integrity": "sha512-0XNayC8lTHQ2OI8aljNCN3sSx6hsr/1+rlcDAotXJR7C1oZZHCNsfpbKwMjRA3Uqb5tF1Rae2oloTr4xpq+WjA==",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
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-      "optional": true,
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-        "micromatch": "2.3.11",
-        "normalize-path": "2.1.1"
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
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@@ -96,27 +130,6 @@
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-      "integrity": "sha1-38fC5VKicHI8zaBM8xKMjL/lxjE=",
-      "dev": true
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@@ -143,12 +156,11 @@
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-      "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
-      "dev": true,
-      "optional": true
+    "arrgv": {
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+      "resolved": "https://registry.npmjs.org/arrgv/-/arrgv-1.0.2.tgz",
+      "integrity": "sha512-a4eg4yhp7mmruZDQFqVMlxNRFGi/i1r87pt8SDHy0/I8PqSXoUTlWZRdAZo0VXgvEARcujbtTk8kiZRi1uDGRw==",
+      "dev": true
     },
     "arrify": {
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@@ -168,13 +180,6 @@
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@@ -182,97 +187,315 @@
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-      "dev": true,
-      "requires": {
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+    "well-known-symbols": {
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+      "resolved": "https://registry.npmjs.org/well-known-symbols/-/well-known-symbols-2.0.0.tgz",
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@@ -7573,6 +5780,66 @@
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+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
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+      "dev": true,
+      "requires": {
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+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+          "dev": true
+        },
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+          "dev": true,
+          "requires": {
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+        "emoji-regex": {
+          "version": "8.0.0",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
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+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
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+          "dev": true
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+        "string-width": {
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+          "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
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+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^5.0.1"
+          }
+        }
+      }
+    },
     "wrappy": {
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -7724,10 +5991,83 @@
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       "dev": true
     },
+    "y18n": {
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+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true
+    },
     "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
+    },
+    "yargs": {
+      "version": "17.6.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.6.2.tgz",
+      "integrity": "sha512-1/9UrdHjDZc0eOU0HxOHoS78C69UD3JRMvzlJ7S79S2nTaWRA/whGCTV8o9e/N/1Va9YIV7Q4sOxD8VV4pCWOw==",
+      "dev": true,
+      "requires": {
+        "cliui": "^8.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.1.1"
+      },
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+        "ansi-regex": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
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+          "dev": true
+        },
+        "emoji-regex": {
+          "version": "8.0.0",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
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+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
+          "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==",
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+        },
+        "string-width": {
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+          "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^8.0.0",
+            "is-fullwidth-code-point": "^3.0.0",
+            "strip-ansi": "^6.0.1"
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+        "strip-ansi": {
+          "version": "6.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+          "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+          "dev": true,
+          "requires": {
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+    "yargs-parser": {
+      "version": "21.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
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+      "dev": true
+    },
+    "yocto-queue": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.0.0.tgz",
+      "integrity": "sha512-9bnSc/HEW2uRy67wc+T8UwauLuPJVn28jb+GtJY16iiKWyvmYJRXVT4UamsAEGQfPohgr2q4Tq0sQbQlxTfi1g==",
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diff --git a/package.json b/package.json
index dd4d752..8974842 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "nan": "^2.6.1"
   },
   "devDependencies": {
-    "ava": "^0.15.1",
+    "ava": "^5.1.0",
     "coveralls": "^2.11.9",
     "nyc": "^6.4.0",
     "xo": "^0.15.0"