diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b8ff0161..a991b458 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v1
         with:
-          node: 12.x
+          node: 14
       - name: Install Packages
         run: npm install
       - name: Lint
@@ -29,19 +29,36 @@ jobs:
 
     strategy:
       matrix:
-        eslint: [6.x, 5.x, 4.x]
-        node: [12.x, 10.x, 8.x]
+        eslint: [7, 6, 5, 4]
+        node: [14, 12, 12.0, 10, 10.12]
         exclude:
-          # Run ESLint 5.x only on the latest Node.
-          - eslint: 5.x
-            node: 8.x
-          - eslint: 5.x
-            node: 10.x
-          # Run ESLint 4.x only on the latest Node.
-          - eslint: 4.x
-            node: 8.x
-          - eslint: 4.x
-            node: 10.x
+          # Run ESLint 6 only on the latest Node.
+          - eslint: 6
+            node: 10.12
+          - eslint: 6
+            node: 10
+          - eslint: 6
+            node: 12.0
+          - eslint: 6
+            node: 12
+          # Run ESLint 5 only on the latest Node.
+          - eslint: 5
+            node: 10.12
+          - eslint: 5
+            node: 10
+          - eslint: 5
+            node: 12.0
+          - eslint: 5
+            node: 12
+          # Run ESLint 4 only on the latest Node.
+          - eslint: 4
+            node: 10.12
+          - eslint: 4
+            node: 10
+          - eslint: 4
+            node: 12.0
+          - eslint: 4
+            node: 12
 
     steps:
       - name: Checkout
diff --git a/lib/rules/no-unicode-codepoint-escapes.js b/lib/rules/no-unicode-codepoint-escapes.js
index 8b9dc98e..a3fd639b 100644
--- a/lib/rules/no-unicode-codepoint-escapes.js
+++ b/lib/rules/no-unicode-codepoint-escapes.js
@@ -48,7 +48,7 @@ module.exports = {
             for (const match of codePointEscapeSearchGenerator(text)) {
                 const start = match.index
                 const end = start + match[0].length
-                const range = [start + node.start, end + node.start]
+                const range = [start + node.range[0], end + node.range[0]]
                 context.report({
                     node,
                     loc: {
diff --git a/package.json b/package.json
index cd13fed7..02da48b4 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "3.0.0",
   "description": "ESLint plugin about ECMAScript syntactic features.",
   "engines": {
-    "node": ">=8.10.0"
+    "node": "^10.12.0 || >=12.0.0"
   },
   "main": "lib/index.js",
   "files": [
@@ -24,7 +24,7 @@
     "codecov": "^3.5.0",
     "eslint": "^6.2.2",
     "eslint4b": "^6.2.2",
-    "espree": "^6.1.1",
+    "espree": "^7.0.0",
     "globals": "^12.0.0",
     "mocha": "^6.2.0",
     "npm-run-all": "^4.1.5",