diff --git a/package-lock.json b/package-lock.json
index d373b6b..32d1a35 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "lodash": "~4.17.21",
         "node-fetch": "~2.7.0",
         "pa11y": "^9.0.0",
-        "protocolify": "~3.0.0",
+        "protocolify": "~4.0.0",
         "puppeteer": "^24.7.2",
         "wordwrap": "~1.0.0"
       },
@@ -2218,12 +2218,15 @@
       }
     },
     "node_modules/file-url": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/file-url/-/file-url-3.0.0.tgz",
-      "integrity": "sha512-g872QGsHexznxkIAdK8UiZRe7SkE6kvylShU4Nsj8NvfvZag7S0QuQ4IgvPDkk75HxgjIVDwycFTDAgIiO4nDA==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/file-url/-/file-url-4.0.0.tgz",
+      "integrity": "sha512-vRCdScQ6j3Ku6Kd7W1kZk9c++5SqD6Xz5Jotrjr/nkY714M14RFHy/AAVA2WQvpsqVAVgTbDrYyBpU205F0cLw==",
       "license": "MIT",
       "engines": {
-        "node": ">=8"
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/find-cache-dir": {
@@ -4082,12 +4085,15 @@
       }
     },
     "node_modules/prepend-http": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-3.0.1.tgz",
-      "integrity": "sha512-BLxfZh+m6UiAiCPZFJ4+vYoL7NrRs5XgCTRrjseATAggXhdZKKxn+JUNmuVYWY23bDHgaEHodxw8mnmtVEDtHw==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/prepend-http/-/prepend-http-4.0.0.tgz",
+      "integrity": "sha512-s6SRDuOuRo7JXWh7115pmJdh53sX0Azuk/3znjVxSoD4GusXzzBDrLQgH0rspeHNs5f+Yihz7JIT3UBMwFEn6Q==",
       "license": "MIT",
       "engines": {
-        "node": ">=8"
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/process-on-spawn": {
@@ -4126,16 +4132,19 @@
       }
     },
     "node_modules/protocolify": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/protocolify/-/protocolify-3.0.0.tgz",
-      "integrity": "sha512-PuvDJOkKJMVQx8jSNf8E5g0bJw/UTKm30mTjFHg4N30c8sefgA5Qr/f8INKqYBKfvP/MUSJrj+z1Smjbq4/3rQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/protocolify/-/protocolify-4.0.0.tgz",
+      "integrity": "sha512-fuAmPieJK9LpOcTFSVi2UaWWJcHEkLeJBaUk/w3epHXD/4E0FvaBeEUxgzoUCEPZcPfk0wp9ilFHvh/2E3n9Ig==",
       "license": "MIT",
       "dependencies": {
-        "file-url": "^3.0.0",
-        "prepend-http": "^3.0.0"
+        "file-url": "^4.0.0",
+        "prepend-http": "^4.0.0"
       },
       "engines": {
-        "node": ">=8"
+        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/proxy-agent": {
diff --git a/package.json b/package.json
index 217c7ce..fe43f40 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "lodash": "~4.17.21",
     "node-fetch": "~2.7.0",
     "pa11y": "^9.0.0",
-    "protocolify": "~3.0.0",
+    "protocolify": "~4.0.0",
     "puppeteer": "^24.7.2",
     "wordwrap": "~1.0.0"
   },