diff --git a/.npmignore b/.npmignore
index 0c46a148..ef819129 100644
--- a/.npmignore
+++ b/.npmignore
@@ -8,4 +8,3 @@ doc
 .travis.yml
 .vscode
 .DS_Store
-.markdown-doctest-setup.js
diff --git a/.travis.yml b/.travis.yml
index 483934d5..4c12b200 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ jobs:
   include:
     - stage: test
       node_js:
-        - 12.14.1
-        - 13.7.0
+        - 12.15.0
+        - 13.8.0
       script:
         - npm run cover
         - npx codecov
diff --git a/package.json b/package.json
index b86cba8f..35b8be07 100644
--- a/package.json
+++ b/package.json
@@ -35,13 +35,13 @@
   "devDependencies": {
     "@kronos-integration/test-interceptor": "^7.0.0",
     "ava": "^2.4.0",
-    "c8": "^7.0.1",
+    "c8": "^7.1.0",
     "documentation": "^12.1.4",
     "esm": "^3.2.25",
     "semantic-release": "^17.0.2"
   },
   "engines": {
-    "node": ">=13.7.0"
+    "node": ">=13.8.0"
   },
   "repository": {
     "type": "git",