diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2c88936..c1c7055 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -128,7 +128,7 @@ jobs:
       run: |
         # eslint for linting
         # - remove on Node.js < 10
-        if [[ "$(cut -d. -f1 <<< "${{ matrix.node-version }}")" -lt 6 ]]; then
+        if [[ "$(cut -d. -f1 <<< "${{ matrix.node-version }}")" -lt 8 ]]; then
           node -pe 'Object.keys(require("./package").devDependencies).join("\n")' | \
             grep -E '^eslint(-|$)' | \
             sort -r | \
diff --git a/package.json b/package.json
index 5f06a10..26d514b 100644
--- a/package.json
+++ b/package.json
@@ -16,12 +16,12 @@
   },
   "devDependencies": {
     "deep-equal": "1.0.1",
-    "eslint": "5.16.0",
-    "eslint-config-standard": "12.0.0",
-    "eslint-plugin-import": "2.14.0",
+    "eslint": "6.8.0",
+    "eslint-config-standard": "13.0.1",
+    "eslint-plugin-import": "2.25.2",
     "eslint-plugin-markdown": "1.0.0-rc.1",
-    "eslint-plugin-node": "7.0.1",
-    "eslint-plugin-promise": "4.0.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
     "eslint-plugin-standard": "4.0.0",
     "istanbul": "0.4.5",
     "mocha": "6.2.3"
diff --git a/test/test.js b/test/test.js
index 3f469cc..d45ee7f 100644
--- a/test/test.js
+++ b/test/test.js
@@ -336,36 +336,36 @@ describe('contentDisposition.parse(string)', function () {
     it('should parse UTF-8 extended parameter value', function () {
       deepEqual(contentDisposition.parse('attachment; filename*=UTF-8\'\'%E2%82%AC%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
     })
 
     it('should parse UTF-8 extended parameter value', function () {
       deepEqual(contentDisposition.parse('attachment; filename*=UTF-8\'\'%E2%82%AC%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
       deepEqual(contentDisposition.parse('attachment; filename*=UTF-8\'\'%E4%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '\ufffd rates.pdf' }
+        parameters: { filename: '\ufffd rates.pdf' }
       })
     })
 
     it('should parse ISO-8859-1 extended parameter value', function () {
       deepEqual(contentDisposition.parse('attachment; filename*=ISO-8859-1\'\'%A3%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '£ rates.pdf' }
+        parameters: { filename: '£ rates.pdf' }
       })
       deepEqual(contentDisposition.parse('attachment; filename*=ISO-8859-1\'\'%82%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '? rates.pdf' }
+        parameters: { filename: '? rates.pdf' }
       })
     })
 
     it('should not be case-sensitive for charser', function () {
       deepEqual(contentDisposition.parse('attachment; filename*=utf-8\'\'%E2%82%AC%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
     })
 
@@ -377,18 +377,18 @@ describe('contentDisposition.parse(string)', function () {
     it('should parse with embedded language', function () {
       deepEqual(contentDisposition.parse('attachment; filename*=UTF-8\'en\'%E2%82%AC%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
     })
 
     it('should prefer extended parameter value', function () {
       deepEqual(contentDisposition.parse('attachment; filename="EURO rates.pdf"; filename*=UTF-8\'\'%E2%82%AC%20rates.pdf'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
       deepEqual(contentDisposition.parse('attachment; filename*=UTF-8\'\'%E2%82%AC%20rates.pdf; filename="EURO rates.pdf"'), {
         type: 'attachment',
-        parameters: { 'filename': '€ rates.pdf' }
+        parameters: { filename: '€ rates.pdf' }
       })
     })
   })