diff --git a/lib/cli/watch-run.cjs b/lib/cli/watch-run.cjs
index f688556f25..3d5af674ab 100644
--- a/lib/cli/watch-run.cjs
+++ b/lib/cli/watch-run.cjs
@@ -4,7 +4,7 @@ const debug = require("debug")("mocha:cli:watch");
 const path = require("node:path");
 const chokidar = require("chokidar");
 const glob = require("glob");
-const isPathInside = require("is-path-inside");
+const { default: isPathInside } = require("is-path-inside");
 const { minimatch } = require("minimatch");
 const Context = require("../context.js").Context;
 const collectFiles = require("./collect-files.cjs");
diff --git a/package-lock.json b/package-lock.json
index 9655999db2..831fa76ecd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "diff": "^9.0.0",
         "find-up": "^5.0.0",
         "glob": "^13.0.0",
-        "is-path-inside": "^3.0.3",
+        "is-path-inside": "^4.0.0",
         "is-unicode-supported": "^0.1.0",
         "js-yaml": "^5.0.0",
         "minimatch": "^10.2.2",
@@ -4986,12 +4986,15 @@
       "dev": true
     },
     "node_modules/is-path-inside": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-3.0.3.tgz",
-      "integrity": "sha512-Fd4gABb+ycGAmKou8eMftCupSir5lRxqf4aD/vd0cD2qc4HL07OjCeuHMr8Ro4CoMaeCKDB0/ECBOVWjTwUvPQ==",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/is-path-inside/-/is-path-inside-4.0.0.tgz",
+      "integrity": "sha512-lJJV/5dYS+RcL8uQdBDW9c9uWFLLBNRyFhnAKXw5tVqLlKZ4RMGZKv+YQ/IA3OhD+RpbJa1LLFM1FQPGyIXvOA==",
       "license": "MIT",
       "engines": {
-        "node": ">=8"
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
       }
     },
     "node_modules/is-plain-obj": {
diff --git a/package.json b/package.json
index 0014e9f816..44f0bd08d9 100644
--- a/package.json
+++ b/package.json
@@ -94,7 +94,7 @@
     "diff": "^9.0.0",
     "find-up": "^5.0.0",
     "glob": "^13.0.0",
-    "is-path-inside": "^3.0.3",
+    "is-path-inside": "^4.0.0",
     "is-unicode-supported": "^0.1.0",
     "js-yaml": "^5.0.0",
     "minimatch": "^10.2.2",