diff --git a/package-lock.json b/package-lock.json
index 0c481c7..3ae7b65 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -414,9 +414,9 @@
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-13.13.4.tgz",
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@@ -432,45 +432,45 @@
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.29.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-2.30.0.tgz",
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       "dev": true,
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-2.29.0.tgz",
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+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-2.30.0.tgz",
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       "dev": true,
       "requires": {
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-        "@typescript-eslint/typescript-estree": "2.29.0",
+        "@typescript-eslint/typescript-estree": "2.30.0",
         "eslint-scope": "^5.0.0",
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-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.29.0.tgz",
-      "integrity": "sha512-H78M+jcu5Tf6m/5N8iiFblUUv+HJDguMSdFfzwa6vSg9lKR8Mk9BsgeSjO8l2EshKnJKcbv0e8IDDOvSNjl0EA==",
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-2.30.0.tgz",
+      "integrity": "sha512-9kDOxzp0K85UnpmPJqUzdWaCNorYYgk1yZmf4IKzpeTlSAclnFsrLjfwD9mQExctLoLoGAUXq1co+fbr+3HeFw==",
       "dev": true,
       "requires": {
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-        "@typescript-eslint/experimental-utils": "2.29.0",
-        "@typescript-eslint/typescript-estree": "2.29.0",
+        "@typescript-eslint/experimental-utils": "2.30.0",
+        "@typescript-eslint/typescript-estree": "2.30.0",
         "eslint-visitor-keys": "^1.1.0"
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     "@typescript-eslint/typescript-estree": {
-      "version": "2.29.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.29.0.tgz",
-      "integrity": "sha512-3YGbtnWy4az16Egy5Fj5CckkVlpIh0MADtAQza+jiMADRSKkjdpzZp/5WuvwK/Qib3Z0HtzrDFeWanS99dNhnA==",
+      "version": "2.30.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-2.30.0.tgz",
+      "integrity": "sha512-nI5WOechrA0qAhnr+DzqwmqHsx7Ulr/+0H7bWCcClDhhWkSyZR5BmTvnBEyONwJCTWHfc5PAQExX24VD26IAVw==",
       "dev": true,
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@@ -2793,9 +2793,9 @@
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     "eslint-plugin-ava": {
-      "version": "10.2.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-ava/-/eslint-plugin-ava-10.2.0.tgz",
-      "integrity": "sha512-1EP9Mn/pau+ZxwRPDspiioRD6GHCSz7RywTmqW01JTxXvX0vKEV0odfWe+QL+jXfmqd83SHHvDJfOvYcyzoxYA==",
+      "version": "10.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-ava/-/eslint-plugin-ava-10.3.0.tgz",
+      "integrity": "sha512-rNijYwBo+28ahXvifTx3IYzsNjtArAeyowBJ1Rd5dCtW7f0y5aSTBU7sXBpU5o5Eh5/FZvz3lSLVLac8ExYTtA==",
       "dev": true,
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@@ -2803,6 +2803,7 @@
         "espree": "^6.1.2",
         "espurify": "^2.0.1",
         "import-modules": "^2.0.0",
+        "micro-spelling-correcter": "^1.1.1",
         "pkg-dir": "^4.2.0",
         "resolve-from": "^5.0.0"
       }
@@ -3099,9 +3100,9 @@
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     "eslint-rule-docs": {
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-      "resolved": "https://registry.npmjs.org/eslint-rule-docs/-/eslint-rule-docs-1.1.187.tgz",
-      "integrity": "sha512-8ZNarJWjP6N9OjI/eWc/WVRKlf1vBFTFLD48emA1RBnbl13H+LsB3hC1PO805lNbnT+XIU9Sga9hSI9dZl5ICA==",
+      "version": "1.1.188",
+      "resolved": "https://registry.npmjs.org/eslint-rule-docs/-/eslint-rule-docs-1.1.188.tgz",
+      "integrity": "sha512-fNlK5bAgbRlR3ddetZ9wfLrVtFkAawg/mVIv6+CekwEGxaKDF7myWDFpxGhumkQmrl+TpSOMAhUPw+/TNT6A+Q==",
       "dev": true
     },
     "eslint-scope": {
@@ -4746,12 +4747,6 @@
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       }
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-    "is-promise": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
-      "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=",
-      "dev": true
-    },
     "is-proto-prop": {
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       "resolved": "https://registry.npmjs.org/is-proto-prop/-/is-proto-prop-2.0.0.tgz",
@@ -5415,6 +5410,12 @@
       "integrity": "sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=",
       "dev": true
     },
+    "micro-spelling-correcter": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/micro-spelling-correcter/-/micro-spelling-correcter-1.1.1.tgz",
+      "integrity": "sha512-lkJ3Rj/mtjlRcHk6YyCbvZhyWTOzdBvTHsxMmZSk5jxN1YyVSQ+JETAom55mdzfcyDrY/49Z7UCW760BK30crg==",
+      "dev": true
+    },
     "micromatch": {
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       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
@@ -6782,13 +6783,10 @@
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-      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.0.tgz",
-      "integrity": "sha512-xJTbh/d7Lm7SBhc1tNvTpeCHaEzoyxPrqNlvSdMfBTYwaY++UJFyXUOxAtsRUXjlqOfj8luNaR9vjCh4KeV+pg==",
-      "dev": true,
-      "requires": {
-        "is-promise": "^2.1.0"
-      }
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz",
+      "integrity": "sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ==",
+      "dev": true
     },
     "rxjs": {
       "version": "6.5.5",
@@ -8517,9 +8515,9 @@
       "dev": true
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-      "version": "0.28.2",
-      "resolved": "https://registry.npmjs.org/xo/-/xo-0.28.2.tgz",
-      "integrity": "sha512-7xOuOQHVcqZ07+Za8eemzJA0PfFdfqE9vCAJaJL0Jc1iBT1lVrNnc/tccGPmwN2rN4iRtHVCFxDLT5ILJ4UyUA==",
+      "version": "0.28.3",
+      "resolved": "https://registry.npmjs.org/xo/-/xo-0.28.3.tgz",
+      "integrity": "sha512-HA1wqG9NI9CTHVZeNyLVVs2HGwdcCtxSKPwlIVpwuZTGzVkv5rCzqBhTGKpLX6aYZu6YkuCL2pvRVyZqYMtlCw==",
       "dev": true,
       "requires": {
         "@typescript-eslint/eslint-plugin": "^2.23.0",
diff --git a/package.json b/package.json
index 4e7b383..c41c6f0 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "supertest": "^4.0.0",
     "tap-spec": "~5.0.0",
     "tape": "~4.13.0",
-    "xo": "~0.28.2"
+    "xo": "~0.28.3"
   },
   "dependencies": {
     "overload-protection": "~1.2.0"