diff --git a/package-lock.json b/package-lock.json
index a6364f7..a2d2529 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,30 +5,31 @@
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+      "resolved": "https://registry.npmjs.org/@ava/babel-plugin-throws-helper/-/babel-plugin-throws-helper-4.0.0.tgz",
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       "dev": true
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     "@ava/babel-preset-stage-4": {
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-      "resolved": "https://registry.npmjs.org/@ava/babel-preset-stage-4/-/babel-preset-stage-4-3.0.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@ava/babel-preset-stage-4/-/babel-preset-stage-4-4.0.0.tgz",
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       "dev": true,
       "requires": {
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-        "@babel/plugin-transform-dotall-regex": "^7.4.3",
-        "@babel/plugin-transform-modules-commonjs": "^7.4.3"
+        "@babel/plugin-transform-dotall-regex": "^7.4.4",
+        "@babel/plugin-transform-modules-commonjs": "^7.5.0"
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     "@ava/babel-preset-transform-test-files": {
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-      "resolved": "https://registry.npmjs.org/@ava/babel-preset-transform-test-files/-/babel-preset-transform-test-files-5.0.0.tgz",
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+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/@ava/babel-preset-transform-test-files/-/babel-preset-transform-test-files-6.0.0.tgz",
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       "dev": true,
       "requires": {
-        "@ava/babel-plugin-throws-helper": "^3.0.0",
+        "@ava/babel-plugin-throws-helper": "^4.0.0",
         "babel-plugin-espower": "^3.0.1"
       }
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@@ -243,6 +244,16 @@
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+    "@babel/plugin-proposal-dynamic-import": {
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-dynamic-import/-/plugin-proposal-dynamic-import-7.5.0.tgz",
+      "integrity": "sha512-x/iMjggsKTFHYC6g11PL7Qy58IK8H5zqfm9e6hu4z1iH2IRyAp9u9dL80zA6R76yFovETFLKz2VJIC2iIPBuFw==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-plugin-utils": "^7.0.0",
+        "@babel/plugin-syntax-dynamic-import": "^7.2.0"
+      }
+    },
     "@babel/plugin-proposal-optional-catch-binding": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.2.0.tgz",
@@ -262,10 +273,10 @@
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       }
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-    "@babel/plugin-syntax-object-rest-spread": {
+    "@babel/plugin-syntax-dynamic-import": {
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-      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-object-rest-spread/-/plugin-syntax-object-rest-spread-7.2.0.tgz",
-      "integrity": "sha512-t0JKGgqk2We+9may3t0xDdmneaXmyxq0xieYcKHxIsrJO64n1OiMWNUtc5gQK1PA0NpdCRrtZp4z+IUaKugrSA==",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.2.0.tgz",
+      "integrity": "sha512-mVxuJ0YroI/h/tbFTPGZR8cv6ai+STMKNBq0f8hFxsxWjl94qqhsb+wXbpNMDPU3cfR1TIsVFzU3nXyZMqyK4w==",
       "dev": true,
       "requires": {
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@@ -441,9 +452,9 @@
       "dev": true
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-      "version": "12.7.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.7.0.tgz",
-      "integrity": "sha512-vqcj1MVm2Sla4PpMfYKh1MyDN4D2f/mPIZD7RdAGqEsbE+JxfeqQHHVbRDQ0Nqn8i73gJa1HQ1Pu3+nH4Q0Yiw==",
+      "version": "12.7.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.7.2.tgz",
+      "integrity": "sha512-dyYO+f6ihZEtNPDcWNR1fkoTDf3zAK3lAABDze3mz6POyIercH0lEUawUFXlG8xaQZmm1yEBON/4TsYv/laDYg==",
       "dev": true
     },
     "acorn": {
@@ -646,20 +657,17 @@
       "dev": true
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-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/ava/-/ava-2.2.0.tgz",
-      "integrity": "sha512-lROj3eQ8L4ZjfiN5P8UGekEQLfKmseGMtat6pUOHgJLEb2K1kT0ZpR/IlWwuytjvwO6nZpzpD+QsTW/XiayIgg==",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/ava/-/ava-2.3.0.tgz",
+      "integrity": "sha512-4VaaSnl13vpTZmqW3aMqioSolT0/ozRkjQxTLi3p8wtyRONuX/uLKL3uF0j50w2BNRoLsJqztnkX2h8xeVp2lg==",
       "dev": true,
       "requires": {
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-        "@ava/babel-preset-transform-test-files": "^5.0.0",
-        "@babel/core": "^7.5.0",
-        "@babel/generator": "^7.5.0",
-        "@babel/plugin-syntax-async-generators": "^7.2.0",
-        "@babel/plugin-syntax-object-rest-spread": "^7.2.0",
-        "@babel/plugin-syntax-optional-catch-binding": "^7.2.0",
+        "@ava/babel-preset-stage-4": "^4.0.0",
+        "@ava/babel-preset-transform-test-files": "^6.0.0",
+        "@babel/core": "^7.5.5",
+        "@babel/generator": "^7.5.5",
         "@concordance/react": "^2.0.0",
-        "ansi-escapes": "^4.2.0",
+        "ansi-escapes": "^4.2.1",
         "ansi-styles": "^4.0.0",
         "arr-flatten": "^1.1.0",
         "array-union": "^2.1.0",
@@ -670,7 +678,7 @@
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         "chunkd": "^1.0.0",
         "ci-parallel-vars": "^1.0.0",
-        "clean-stack": "^2.1.0",
+        "clean-stack": "^2.2.0",
         "clean-yaml-object": "^0.1.0",
         "cli-cursor": "^3.1.0",
         "cli-truncate": "^2.0.0",
@@ -692,18 +700,18 @@
         "get-port": "^5.0.0",
         "globby": "^10.0.1",
         "ignore-by-default": "^1.0.0",
-        "import-local": "^3.0.1",
+        "import-local": "^3.0.2",
         "indent-string": "^4.0.0",
         "is-ci": "^2.0.0",
         "is-error": "^2.2.2",
         "is-observable": "^2.0.0",
         "is-plain-object": "^3.0.0",
         "is-promise": "^2.1.0",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.15",
         "loud-rejection": "^2.1.0",
         "make-dir": "^3.0.0",
         "matcher": "^2.0.0",
-        "md5-hex": "^3.0.0",
+        "md5-hex": "^3.0.1",
         "meow": "^5.0.0",
         "micromatch": "^4.0.2",
         "ms": "^2.1.2",
@@ -716,7 +724,7 @@
         "require-precompiled": "^0.1.0",
         "resolve-cwd": "^3.0.0",
         "slash": "^3.0.0",
-        "source-map-support": "^0.5.12",
+        "source-map-support": "^0.5.13",
         "stack-utils": "^1.0.2",
         "strip-ansi": "^5.2.0",
         "strip-bom-buf": "^2.0.0",
@@ -819,9 +827,9 @@
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-      "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.11.0.tgz",
-      "integrity": "sha512-xvA4mdnIevstCvNKTRLMOKi7L76U/X/CTs9Yz+PLWmWAC/7SuYi5Xv2J7bAhJnE2+LcLv+x4+0vusvKgM9LnZQ==",
+      "version": "2.11.1",
+      "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.11.1.tgz",
+      "integrity": "sha512-4UiOAmql2XO0Sws07OVzYdCKK0K2Va5g6AVgYXoGhEQiKrdSOefjUCm1frPk6E+xiIOHRqaFg+TUGo7cClKg5g==",
       "dev": true
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@@ -4782,9 +4790,9 @@
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     "readdirp": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.1.1.tgz",
-      "integrity": "sha512-XXdSXZrQuvqoETj50+JAitxz1UPdt5dupjT6T5nVB+WvjMv2XKYj+s7hPeAVCXvmJrL36O4YYyWlIC3an2ePiQ==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-3.1.2.tgz",
+      "integrity": "sha512-8rhl0xs2cxfVsqzreYCvs8EwBfn/DhVdqtoLmw19uI3SC5avYX9teCurlErfpPXGmYtMHReGaP2RsLnFvz/lnw==",
       "dev": true,
       "requires": {
         "picomatch": "^2.0.4"
@@ -4830,13 +4838,13 @@
       "dev": true
     },
     "regexpu-core": {
-      "version": "4.5.4",
-      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-4.5.4.tgz",
-      "integrity": "sha512-BtizvGtFQKGPUcTy56o3nk1bGRp4SZOTYrDtGNlqCQufptV5IkkLN6Emw+yunAJjzf+C9FQFtvq7IoA3+oMYHQ==",
+      "version": "4.5.5",
+      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-4.5.5.tgz",
+      "integrity": "sha512-FpI67+ky9J+cDizQUJlIlNZFKual/lUkFr1AG6zOCpwZ9cLrg8UUVakyUQJD7fCDIe9Z2nwTQJNPyonatNmDFQ==",
       "dev": true,
       "requires": {
         "regenerate": "^1.4.0",
-        "regenerate-unicode-properties": "^8.0.2",
+        "regenerate-unicode-properties": "^8.1.0",
         "regjsgen": "^0.5.0",
         "regjsparser": "^0.6.0",
         "unicode-match-property-ecmascript": "^1.0.4",
diff --git a/package.json b/package.json
index 6e0245a..2316dc5 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
   },
   "homepage": "https://github.com/telemark/robot-stats#readme",
   "devDependencies": {
-    "ava": "2.2.0",
+    "ava": "2.3.0",
     "coveralls": "3.0.6",
     "nyc": "14.1.1",
     "standard": "13.1.0"