diff --git a/.eslintrc.yml b/.eslintrc.yml
index 587169c533..9e282530d5 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -1,5 +1,7 @@
 root: true
-
+env:
+  es6: true
+  node: true
 rules:
   eol-last: error
   eqeqeq: [error, allow-null]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 80248fab69..2a143eed63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,11 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         name:
-        - Node.js 0.10
-        - Node.js 0.12
-        - io.js 1.x
-        - io.js 2.x
-        - io.js 3.x
+        - Node.js 4.0
         - Node.js 4.x
         - Node.js 5.x
         - Node.js 6.x
@@ -29,25 +25,9 @@ jobs:
         - Node.js 14.x
 
         include:
-        - name: Node.js 0.10
-          node-version: "0.10"
-          npm-i: mocha@3.5.3 supertest@2.0.0
-
-        - name: Node.js 0.12
-          node-version: "0.12"
-          npm-i: mocha@3.5.3 supertest@2.0.0
-
-        - name: io.js 1.x
-          node-version: "1.8"
-          npm-i: mocha@3.5.3 supertest@2.0.0
-
-        - name: io.js 2.x
-          node-version: "2.5"
-          npm-i: mocha@3.5.3 supertest@2.0.0
-
-        - name: io.js 3.x
-          node-version: "3.3"
-          npm-i: mocha@3.5.3 supertest@2.0.0
+        - name: Node.js 4.0
+          node-version: "4.0"
+          npm-i: mocha@5.2.0 supertest@3.4.2
 
         - name: Node.js 4.x
           node-version: "4.9"
diff --git a/History.md b/History.md
index 66f59388eb..c12379180e 100644
--- a/History.md
+++ b/History.md
@@ -5,6 +5,7 @@ This incorporates all changes after 4.17.1 up to 4.17.2.
 
   * change:
     - query parser setting defaults to `'simple'`
+    - Requires Node.js 4+
     - Use `mime-types` for file to content type mapping
   * deps: array-flatten@3.0.0
   * deps: body-parser@2.0.0-beta.1
diff --git a/appveyor.yml b/appveyor.yml
index 785c799e8f..433729652b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,10 +1,5 @@
 environment:
   matrix:
-    - nodejs_version: "0.10"
-    - nodejs_version: "0.12"
-    - nodejs_version: "1.8"
-    - nodejs_version: "2.5"
-    - nodejs_version: "3.3"
     - nodejs_version: "4.9"
     - nodejs_version: "5.12"
     - nodejs_version: "6.17"
@@ -38,14 +33,11 @@ install:
   # Setup Node.js version-specific dependencies
   - ps: |
       # mocha for testing
-      # - use 3.x for Node.js < 4
       # - use 5.x for Node.js < 6
       # - use 6.x for Node.js < 8
       # - use 7.x for Node.js < 10
       # - use 8.x for Node.js < 12
-      if ([int]$env:nodejs_version.split(".")[0] -lt 4) {
-        npm install --silent --save-dev mocha@3.5.3
-      } elseif ([int]$env:nodejs_version.split(".")[0] -lt 6) {
+      if ([int]$env:nodejs_version.split(".")[0] -lt 6) {
         npm install --silent --save-dev mocha@5.2.0
       } elseif ([int]$env:nodejs_version.split(".")[0] -lt 8) {
         npm install --silent --save-dev mocha@6.2.2
@@ -56,11 +48,8 @@ install:
       }
   - ps: |
       # supertest for http calls
-      # - use 2.0.0 for Node.js < 4
       # - use 3.4.2 for Node.js < 6
-      if ([int]$env:nodejs_version.split(".")[0] -lt 4) {
-        npm install --silent --save-dev supertest@2.0.0
-      } elseif ([int]$env:nodejs_version.split(".")[0] -lt 6) {
+      if ([int]$env:nodejs_version.split(".")[0] -lt 6) {
         npm install --silent --save-dev supertest@3.4.2
       }
   # Update Node.js modules
diff --git a/package.json b/package.json
index 85ecc68011..214263c3f9 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "vhost": "~3.0.2"
   },
   "engines": {
-    "node": ">= 0.10.0"
+    "node": ">= 4"
   },
   "files": [
     "LICENSE",