diff --git a/.travis.yml b/.travis.yml
index 2b43f87..938a01c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,10 +4,11 @@ os:
   - osx
   - windows
 node_js:
+  - "12"
   - "11"
   - "10"
   - "9"
   - "8"
   - "7"
 after_script:
-  - npm run coverage && npm run report-coverage
+  - npm run coverage
diff --git a/README.md b/README.md
index 0567fc4..23b3452 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![downloads count](https://img.shields.io/npm/dt/simple-data-table.svg)](https://www.npmjs.com/~piecioshka)
 [![travis](https://img.shields.io/travis/piecioshka/simple-data-table.svg)](https://travis-ci.org/piecioshka/simple-data-table)
 [![dependencies](https://david-dm.org/piecioshka/simple-data-table.svg)](https://github.com/piecioshka/simple-data-table)
-[![codecov](https://codecov.io/gh/piecioshka/simple-data-table/branch/master/graph/badge.svg)](https://codecov.io/gh/piecioshka/simple-data-table)
+[![coveralls](https://coveralls.io/repos/github/piecioshka/simple-data-table/badge.svg?branch=master)](https://coveralls.io/github/piecioshka/simple-data-table?branch=master)
 
 :hammer: Lightweight and simple data table with no dependencies
 
@@ -210,8 +210,6 @@ npm test
 
 ## Code coverage
 
-Check code coverage with [Istanbul](https://github.com/gotwarlost/istanbul):
-
 ```bash
 npm run coverage
 ```
diff --git a/package-lock.json b/package-lock.json
index bb8ecd7..b94359c 100644
--- a/package-lock.json
+++ b/package-lock.json
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-            "dev": true
+            "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
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-            "dev": true
+            "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
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-            "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-            "dev": true
+            "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
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-            "dev": true
+            "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
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-            "dev": true
+            "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
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-            "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-            "dev": true
+            "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+        },
+        "coveralls": {
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.3.tgz",
+            "integrity": "sha512-viNfeGlda2zJr8Gj1zqXpDMRjw9uM54p7wzZdvLRyOgnAfCe974Dq4veZkjJdxQXbmdppu6flEajFYseHYaUhg==",
+            "requires": {
+                "growl": "~> 1.10.0",
+                "js-yaml": "^3.11.0",
+                "lcov-parse": "^0.0.10",
+                "log-driver": "^1.2.7",
+                "minimist": "^1.2.0",
+                "request": "^2.86.0"
+            }
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-            "dev": true
+            "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
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@@ -3680,8 +3594,7 @@
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-            "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
-            "dev": true
+            "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
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@@ -3696,7 +3609,6 @@
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                 "extsprintf": "1.3.0",
@@ -3728,6 +3640,11 @@
                 "invert-kv": "^2.0.0"
             }
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+        "lcov-parse": {
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+            "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
+            "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM="
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@@ -3834,6 +3751,11 @@
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+            "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
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-            "dev": true,
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@@ -4040,8 +3960,7 @@
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             "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-            "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-            "dev": true
+            "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
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         "minimist-options": {
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@@ -4165,12 +4084,6 @@
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-        "node-fetch": {
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-            "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
-            "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA==",
-            "dev": true
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             "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -4269,8 +4182,7 @@
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-            "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==",
-            "dev": true
+            "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
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@@ -4653,8 +4565,7 @@
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             "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-            "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
-            "dev": true
+            "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
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         "pify": {
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@@ -4774,8 +4685,7 @@
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             "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
-            "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw==",
-            "dev": true
+            "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw=="
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@@ -4790,14 +4700,12 @@
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             "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
-            "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
-            "dev": true
+            "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
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         "qs": {
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             "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-            "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
-            "dev": true
+            "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
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@@ -5037,7 +4945,6 @@
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             "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
             "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
-            "dev": true,
             "requires": {
                 "aws-sign2": "~0.7.0",
                 "aws4": "^1.8.0",
@@ -5064,14 +4971,12 @@
                 "punycode": {
                     "version": "1.4.1",
                     "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-                    "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
-                    "dev": true
+                    "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
                 },
                 "tough-cookie": {
                     "version": "2.4.3",
                     "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
                     "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
-                    "dev": true,
                     "requires": {
                         "psl": "^1.1.24",
                         "punycode": "^1.4.1"
@@ -5193,8 +5098,7 @@
         "safe-buffer": {
             "version": "5.1.2",
             "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-            "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-            "dev": true
+            "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
         },
         "safe-regex": {
             "version": "1.1.0",
@@ -5208,8 +5112,7 @@
         "safer-buffer": {
             "version": "2.1.2",
             "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-            "dev": true
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
         },
         "saxes": {
             "version": "3.1.9",
@@ -5535,14 +5438,12 @@
         "sprintf-js": {
             "version": "1.0.3",
             "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-            "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
-            "dev": true
+            "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
         },
         "sshpk": {
             "version": "1.16.1",
             "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
             "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
-            "dev": true,
             "requires": {
                 "asn1": "~0.2.3",
                 "assert-plus": "^1.0.0",
@@ -5749,17 +5650,6 @@
                 }
             }
         },
-        "teeny-request": {
-            "version": "3.11.3",
-            "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-3.11.3.tgz",
-            "integrity": "sha512-CKncqSF7sH6p4rzCgkb/z/Pcos5efl0DmolzvlqRQUNcpRIruOhY9+T1FsIlyEbfWd7MsFpodROOwHYh2BaXzw==",
-            "dev": true,
-            "requires": {
-                "https-proxy-agent": "^2.2.1",
-                "node-fetch": "^2.2.0",
-                "uuid": "^3.3.2"
-            }
-        },
         "term-size": {
             "version": "1.2.0",
             "resolved": "https://registry.npmjs.org/term-size/-/term-size-1.2.0.tgz",
@@ -5921,7 +5811,6 @@
             "version": "0.6.0",
             "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
             "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-            "dev": true,
             "requires": {
                 "safe-buffer": "^5.0.1"
             }
@@ -5929,8 +5818,7 @@
         "tweetnacl": {
             "version": "0.14.5",
             "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-            "dev": true
+            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
         },
         "type-check": {
             "version": "0.3.2",
@@ -6147,7 +6035,6 @@
             "version": "4.2.2",
             "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
             "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
-            "dev": true,
             "requires": {
                 "punycode": "^2.1.0"
             }
@@ -6167,12 +6054,6 @@
                 "prepend-http": "^1.0.1"
             }
         },
-        "urlgrey": {
-            "version": "0.4.4",
-            "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-0.4.4.tgz",
-            "integrity": "sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8=",
-            "dev": true
-        },
         "use": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
@@ -6188,8 +6069,7 @@
         "uuid": {
             "version": "3.3.2",
             "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-            "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
-            "dev": true
+            "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
         },
         "validate-npm-package-license": {
             "version": "3.0.4",
@@ -6205,7 +6085,6 @@
             "version": "1.10.0",
             "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
             "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-            "dev": true,
             "requires": {
                 "assert-plus": "^1.0.0",
                 "core-util-is": "1.0.2",
diff --git a/package.json b/package.json
index 2d3bd39..ee0043c 100644
--- a/package.json
+++ b/package.json
@@ -13,15 +13,15 @@
         "clear:all": "rm -rf node_modules/ && npm run clear",
         "test": "npm run test:unit",
         "test:unit": "ava",
-        "coverage": "nyc npm run test && nyc report --reporter=html",
-        "report-coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov",
+        "coverage": "nyc npm run test && nyc report --reporter=text-lcov | coveralls -v",
         "count": "find . -name '*.js' -not -path './node_modules/*' | xargs wc -l | sort -r",
         "lint": "eslint ."
     },
-    "dependencies": {},
+    "dependencies": {
+    },
     "devDependencies": {
         "ava": "^1.4.1",
-        "codecov": "^3.3.0",
+        "coveralls": "^3.0.3",
         "eslint": "^5.16.0",
         "eslint-config-piecioshka": "^2.0.1",
         "jsdom": "^14.1.0",