diff --git a/.travis.yml b/.travis.yml
index 06887e5..7919869 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,3 +10,5 @@ install:
   - npm ci
 script:
   - npm test
+after_success:
+  - npx codecov
diff --git a/package-lock.json b/package-lock.json
index 8f07669..ab17ba0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1412,6 +1412,12 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "argv": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/argv/-/argv-0.0.2.tgz",
+      "integrity": "sha1-7L0W+JSbFXGDcRsb2jNPN4QBhas=",
+      "dev": true
+    },
     "aria-query": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/aria-query/-/aria-query-3.0.0.tgz",
@@ -2698,6 +2704,19 @@
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
       "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
+    "codecov": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.1.0.tgz",
+      "integrity": "sha512-aWQc/rtHbcWEQLka6WmBAOpV58J2TwyXqlpAQGhQaSiEUoigTTUk6lLd2vB3kXkhnDyzyH74RXfmV4dq2txmdA==",
+      "dev": true,
+      "requires": {
+        "argv": "^0.0.2",
+        "ignore-walk": "^3.0.1",
+        "js-yaml": "^3.12.0",
+        "request": "^2.87.0",
+        "urlgrey": "^0.4.4"
+      }
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -6101,6 +6120,15 @@
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
       "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg=="
     },
+    "ignore-walk": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.1.tgz",
+      "integrity": "sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==",
+      "dev": true,
+      "requires": {
+        "minimatch": "^3.0.4"
+      }
+    },
     "import-cwd": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/import-cwd/-/import-cwd-2.1.0.tgz",
@@ -13986,6 +14014,12 @@
         "requires-port": "^1.0.0"
       }
     },
+    "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",
diff --git a/package.json b/package.json
index 8049096..ddd5efb 100644
--- a/package.json
+++ b/package.json
@@ -21,5 +21,8 @@
     "not dead",
     "not ie <= 11",
     "not op_mini all"
-  ]
+  ],
+  "devDependencies": {
+    "codecov": "^3.1.0"
+  }
 }