diff --git a/.travis.yml b/.travis.yml
index 8d052eb..c0cfe42 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ before_script:
   - git submodule update --init
   - npm install -g codeclimate-test-reporter
 node_js:
-  - "4"
   - "6"
   - "8"
   - "9"
diff --git a/package.json b/package.json
index cb1324f..9e52e88 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "coveralls": "^3.0.1",
     "del-cli": "^1.1.0",
     "dot": "^1.0.3",
-    "eslint": "^4.14.0",
+    "eslint": "^5.0.0",
     "gh-pages-generator": "^0.2.3",
     "glob": "^7.0.0",
     "if-node-version": "^1.0.0",