diff --git a/.eslintrc b/.eslintrc
index 2125aa5..3b91773 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -2,7 +2,7 @@
   "parserOptions": {
     "ecmaVersion": 2018
   },
-  "extends": ["standard", "prettier", "prettier/standard"],
+  "extends": ["standard", "plugin:prettier/recommended"],
   "plugins": ["mocha"],
   "env": {
     "mocha": true
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6f1e40c..d3e8a29 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,9 +10,8 @@ jobs:
     strategy:
       matrix:
         node:
-          - "14"
-          - "16"
           - "18"
+          - "20"
     steps:
       - uses: actions/checkout@v2
       - name: Setup node
@@ -39,7 +38,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v1
         with:
-          node-version: '16'
+          node-version: '18'
       - name: Install dependencies
         run: sudo add-apt-repository -y ppa:inkscape.dev/stable && sudo apt-get install -y libcairo2-dev libjpeg8-dev libgif-dev optipng pngcrush pngquant libpango1.0-dev graphicsmagick libjpeg-turbo-progs inkscape gifsicle
       - run: npm install
diff --git a/.nvmrc b/.nvmrc
index f46d5e3..a9d0873 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-14.21.3
+18.19.0
diff --git a/.prettierrc b/.prettierrc
index 544138b..c1a6f66 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,3 +1,4 @@
 {
-  "singleQuote": true
+  "singleQuote": true,
+  "trailingComma": "es5"
 }
diff --git a/package.json b/package.json
index f2dfab9..9144529 100644
--- a/package.json
+++ b/package.json
@@ -26,36 +26,36 @@
   },
   "devDependencies": {
     "animated-gif-detector": "1.2.0",
-    "eslint": "^7.16.0",
-    "eslint-config-prettier": "^6.15.0",
-    "eslint-config-standard": "^14.1.1",
-    "eslint-plugin-import": "^2.22.1",
-    "eslint-plugin-mocha": "^7.0.1",
+    "eslint": "^8.56.0",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-config-standard": "^17.1.0",
+    "eslint-plugin-import": "^2.29.1",
+    "eslint-plugin-mocha": "^10.2.0",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^3.3.0",
-    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-prettier": "^5.1.3",
+    "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-standard": "^5.0.0",
     "evaldown": "^2.0.0",
     "file-type": "^12.3.0",
     "gifsicle": "^5.3.0",
     "gm-papandreou": "1.23.0-patch1",
     "impro": "file:./",
-    "inkscape": "3.0.0",
+    "inkscape": "3.1.1",
     "jpegtran": "2.0.0",
     "memoizesync": "^1.1.1",
-    "mocha": "^8.2.1",
-    "nyc": "^14.1.1",
-    "offline-github-changelog": "^1.7.0",
-    "optipng": "^4.0.0",
+    "mocha": "^10.2.0",
+    "nyc": "^15.1.0",
+    "offline-github-changelog": "^3.0.1",
+    "optipng": "^4.2.0",
     "pngcrush": "^3.0.0",
-    "pngquant": "^4.0.0",
-    "prettier": "~2.2.1",
-    "sharp": "~0.32.0",
-    "sinon": "^9.2.4",
+    "pngquant": "^4.2.0",
+    "prettier": "~3.2.4",
+    "sharp": "~0.33.2",
+    "sinon": "^17.0.1",
     "svgfilter": "4.1.0",
-    "unexpected": "^12.0.1",
-    "unexpected-dom": "^5.0.0",
-    "unexpected-sinon": "^11.0.1"
+    "unexpected": "^12.0.5",
+    "unexpected-dom": "^6.0.1",
+    "unexpected-sinon": "^11.1.0"
   },
   "dependencies": {
     "exif-reader": "^1.0.3",
diff --git a/src/Impro.js b/src/Impro.js
index 2a089f3..4fa79ae 100644
--- a/src/Impro.js
+++ b/src/Impro.js
@@ -37,12 +37,9 @@ module.exports = class Impro {
 
     this._Pipeline = class extends Pipeline {};
 
-    [
-      'type',
-      'source',
-      'maxInputPixels',
-      'maxOutputPixels',
-    ].forEach((propertyName) => this.registerMethod(propertyName));
+    ['type', 'source', 'maxInputPixels', 'maxOutputPixels'].forEach(
+      (propertyName) => this.registerMethod(propertyName)
+    );
   }
 
   createPipeline(options, operations) {
diff --git a/src/queryString.js b/src/queryString.js
index 0dcc3f1..f000a18 100644
--- a/src/queryString.js
+++ b/src/queryString.js
@@ -71,7 +71,7 @@ function parseImproQueryString(queryString, improInstance, allowOperation) {
   }
 
   return {
-    operations: operations,
+    operations,
     leftover: leftOverQueryStringFragments.join('&'),
     consumed: consumedQueryStringFragments.join('&'),
   };
diff --git a/test/impro.spec.js b/test/impro.spec.js
index 85b576f..9faf549 100644
--- a/test/impro.spec.js
+++ b/test/impro.spec.js
@@ -92,7 +92,15 @@ expect.addAssertion(
   async (expect, subject, ...rest) => {
     const encoding = expect.alternations ? expect.alternations[0] : undefined;
     expect.errorMode = 'bubble';
-    return expect(await consumeStream(subject, encoding), ...rest);
+    const contents = await consumeStream(subject, encoding);
+
+    // // DEV-HELPER: Uncomment this block to write the output to a file when debugging a test
+    // fs.writeFileSync(
+    //   pathModule.resolve(testDataPath, 'mismatching-file.extension'),
+    //   contents
+    // );
+
+    return expect(contents, ...rest);
   }
 );
 
diff --git a/testdata/addBogusElement.js b/testdata/addBogusElement.js
index 56c0ed9..46fcfb0 100644
--- a/testdata/addBogusElement.js
+++ b/testdata/addBogusElement.js
@@ -1,4 +1,4 @@
 /* globals svgFilter:false */
-var bogus = document.createElement('bogus');
+const bogus = document.createElement('bogus');
 bogus.setAttribute('id', svgFilter.bogusElementId || 'blablaf');
 document.documentElement.appendChild(bogus);
diff --git a/testdata/turtleCroppedCenterSharp.jpg b/testdata/turtleCroppedCenterSharp.jpg
index 76343fb..377267c 100644
Binary files a/testdata/turtleCroppedCenterSharp.jpg and b/testdata/turtleCroppedCenterSharp.jpg differ