diff --git a/package-lock.json b/package-lock.json
index 026f9ac..dcc9366 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -865,21 +865,21 @@
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-      "resolved": "https://registry.npmjs.org/@ehmicky/dev-tasks/-/dev-tasks-0.30.40.tgz",
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+      "version": "0.30.41",
+      "resolved": "https://registry.npmjs.org/@ehmicky/dev-tasks/-/dev-tasks-0.30.41.tgz",
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         "@babel/register": "^7.6.0",
-        "@ehmicky/eslint-config": "^15.10.16",
+        "@ehmicky/eslint-config": "^15.10.17",
         "@gulp-sourcemaps/map-sources": "^1.0.0",
         "ava": "^2.3.0",
         "caching-transform": "github:istanbuljs/caching-transform#1689877",
         "core-js": "^3.2.1",
         "del": "^5.1.0",
-        "eslint": "^6.3.0",
-        "eslint-config-prettier": "^6.2.0",
+        "eslint": "^6.4.0",
+        "eslint-config-prettier": "^6.3.0",
         "eslint-config-standard": "^14.1.0",
         "eslint-import-resolver-node": "^0.3.2",
         "eslint-plugin-ava": "^8.0.0",
@@ -958,9 +958,9 @@
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-      "version": "15.10.16",
-      "resolved": "https://registry.npmjs.org/@ehmicky/eslint-config/-/eslint-config-15.10.16.tgz",
-      "integrity": "sha512-1oFCSHKmYpNQTCZmuVS+LS4B6ly38HvIasd0n3CI8Xp4mxODKXXaU15IfWlXs3f8pW77ooLyCR3caSiJeWpsNA==",
+      "version": "15.10.17",
+      "resolved": "https://registry.npmjs.org/@ehmicky/eslint-config/-/eslint-config-15.10.17.tgz",
+      "integrity": "sha512-ZFW3/s30RUtuWepq7cNPbZz5Ri5LFlJByVbD3l3q6M0pdrBksUEfqVkkTrVIzBe0TdQO86dShSGsCRFNkGeoOg==",
       "dev": true
     },
     "@gulp-sourcemaps/map-sources": {
@@ -3571,9 +3571,9 @@
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     "electron-to-chromium": {
-      "version": "1.3.253",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.253.tgz",
-      "integrity": "sha512-LAwFRWViiiCSxQ2Lj3mnyEP8atkpAoHSPUnkFoy4mNabbnPHxtfseWvPCGGhewjHQI+ky/V4LdlTyyI0d3YPXA==",
+      "version": "1.3.258",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.258.tgz",
+      "integrity": "sha512-rkPYrgFU7k/8ngjHYvzOZ44OQQ1GeIRIQnhGv00RkSlQXEnJKsGonQppbEEWHuuxZegpMao+WZmYraWQJQJMMg==",
       "dev": true
     },
     "emittery": {
@@ -3822,9 +3822,9 @@
       "dev": true
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     "eslint": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.3.0.tgz",
-      "integrity": "sha512-ZvZTKaqDue+N8Y9g0kp6UPZtS4FSY3qARxBs7p4f0H0iof381XHduqVerFWtK8DPtKmemqbqCFENWSQgPR/Gow==",
+      "version": "6.4.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.4.0.tgz",
+      "integrity": "sha512-WTVEzK3lSFoXUovDHEbkJqCVPEPwbhCq4trDktNI6ygs7aO41d4cDT0JFAT5MivzZeVLWlg7vHL+bgrQv/t3vA==",
       "dev": true,
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@@ -3918,9 +3918,9 @@
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     "eslint-config-prettier": {
-      "version": "6.2.0",
-      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.2.0.tgz",
-      "integrity": "sha512-VLsgK/D+S/FEsda7Um1+N8FThec6LqE3vhcMyp8mlmto97y3fGf3DX7byJexGuOb1QY0Z/zz222U5t+xSfcZDQ==",
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.3.0.tgz",
+      "integrity": "sha512-EWaGjlDAZRzVFveh2Jsglcere2KK5CJBhkNSa1xs3KfMUGdRiT7lG089eqPdvlzWHpAqaekubOsOMu8W8Yk71A==",
       "dev": true,
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@@ -8026,13 +8026,13 @@
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     "level-packager": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/level-packager/-/level-packager-5.0.2.tgz",
-      "integrity": "sha512-sJWdeW5tObvTvgP4Xf2psL5CEUsZjDjiTtlcimHp3Ifd4qbmkEGquN82C5ZtC7VpWEiISeUIBtIcCskVzEpvFw==",
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/level-packager/-/level-packager-5.0.3.tgz",
+      "integrity": "sha512-Ut62o3nvUNCxYldM5+13+0sYow6ifKj2C26/0ToB7zKgdypF5wRKcVkcztQVwsQi+ZnrmDzhimp7FKP5Ynv6Rg==",
       "dev": true,
       "requires": {
-        "encoding-down": "^6.0.0",
-        "levelup": "^4.0.0"
+        "encoding-down": "^6.2.0",
+        "levelup": "^4.2.0"
       }
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     "leveldown": {
@@ -8892,9 +8892,9 @@
       "dev": true
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-      "version": "1.1.29",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.29.tgz",
-      "integrity": "sha512-R5bDhzh6I+tpi/9i2hrrvGJ3yKPYzlVOORDkXhnZuwi5D3q1I5w4vYy24PJXTcLk9Q0kws9TO77T75bcK8/ysQ==",
+      "version": "1.1.30",
+      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.30.tgz",
+      "integrity": "sha512-BHcr1g6NeUH12IL+X3Flvs4IOnl1TL0JczUhEZjDE+FXXPQcVCNr8NEPb01zqGxzhTpdyJL5GXemaCW7aw6Khw==",
       "dev": true,
       "requires": {
         "semver": "^5.3.0"
@@ -11782,23 +11782,23 @@
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-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.0.0.tgz",
-      "integrity": "sha1-aLaqjhYsaoDnbjqKDC50cYbicf8=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimleft/-/string.prototype.trimleft-2.1.0.tgz",
+      "integrity": "sha512-FJ6b7EgdKxxbDxc79cOlok6Afd++TTs5szo+zJTUyow3ycrRfJVE2pq3vcN53XexvKZu/DJMDfeI/qMiZTrjTw==",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "function-bind": "^1.0.2"
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
       }
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     "string.prototype.trimright": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.0.0.tgz",
-      "integrity": "sha1-q0pW2AKgH75yk+EehPJNyBZGYd0=",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/string.prototype.trimright/-/string.prototype.trimright-2.1.0.tgz",
+      "integrity": "sha512-fXZTSV55dNBwv16uw+hh5jkghxSnc5oHq+5K/gXgizHwAvMetdAJlHqqoFC1FSDVPYWLkAKl2cxpUT41sV7nSg==",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "function-bind": "^1.0.2"
+        "define-properties": "^1.1.3",
+        "function-bind": "^1.1.1"
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diff --git a/package.json b/package.json
index 78cc22a..7cab9ca 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "core-js": "^3.2.1"
   },
   "devDependencies": {
-    "@ehmicky/dev-tasks": "^0.30.40",
+    "@ehmicky/dev-tasks": "^0.30.41",
     "ava": "^2.3.0",
     "big-cartesian": "^1.1.0",
     "cartesian": "^1.0.1",