diff --git a/packages/webpack/get-config.js b/packages/webpack/get-config.js
index 2736e943..ebe79d4a 100644
--- a/packages/webpack/get-config.js
+++ b/packages/webpack/get-config.js
@@ -1,5 +1,8 @@
 let processImport = require('size-limit/process-import')
-let escapeRegexp = require('escape-string-regexp')
+
+function escapeRegexp(string) {
+  return string.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&').replace(/-/g, '\\x2d')
+}
 
 const STATIC =
   /\.(eot|woff2?|ttf|otf|svg|png|jpe?g|gif|webp|mp4|mp3|ogg|pdf|html|ico|md)$/
diff --git a/packages/webpack/package.json b/packages/webpack/package.json
index 692986b5..c514a171 100644
--- a/packages/webpack/package.json
+++ b/packages/webpack/package.json
@@ -20,7 +20,6 @@
     "size-limit": "8.1.0"
   },
   "dependencies": {
-    "escape-string-regexp": "^4.0.0",
     "nanoid": "^3.3.4",
     "webpack": "^5.75.0"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9f04ce07..a2a9c489 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -151,13 +151,11 @@ importers:
   packages/webpack:
     specifiers:
       '@size-limit/file': workspace:^8.1.0
-      escape-string-regexp: ^4.0.0
       nanoid: ^3.3.4
       redux: ^4.2.0
       size-limit: workspace:^8.1.0
       webpack: ^5.75.0
     dependencies:
-      escape-string-regexp: 4.0.0
       nanoid: 3.3.4
       webpack: 5.75.0
     devDependencies: