diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ff87bc5e..b9f0e0638 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+## [4.0.0-rc.1](https://github.com/webpack/webpack-dev-middleware/compare/v4.0.0-rc.0...v4.0.0-rc.1) (2020-02-20)
+
+
+### Bug Fixes
+
+* missing `options.json` file ([#589](https://github.com/webpack/webpack-dev-middleware/issues/589)) ([41d6264](https://github.com/webpack/webpack-dev-middleware/commit/41d6264e44e2963deab37379a34d8ad8a1140d99))
+
 ### [4.0.0-rc.0](https://github.com/webpack/webpack-dev-middleware/compare/v3.7.2...v4.0.0-rc.0) (2020-02-19)
 
 ### Bug Fixes
diff --git a/package-lock.json b/package-lock.json
index 87c4a0db0..a2d766908 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-dev-middleware",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0-rc.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -5536,13 +5536,41 @@
       }
     },
     "file-loader": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/file-loader/-/file-loader-5.0.2.tgz",
-      "integrity": "sha512-QMiQ+WBkGLejKe81HU8SZ9PovsU/5uaLo0JdTCEXOYv7i7jfAjHZi1tcwp9tSASJPOmmHZtbdCervFmXMH/Dcg==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/file-loader/-/file-loader-5.1.0.tgz",
+      "integrity": "sha512-u/VkLGskw3Ue59nyOwUwXI/6nuBCo7KBkniB/l7ICwr/7cPNGsL1WCXUp3GB0qgOOKU1TiP49bv4DZF/LJqprg==",
       "dev": true,
       "requires": {
-        "loader-utils": "^1.2.3",
+        "loader-utils": "^1.4.0",
         "schema-utils": "^2.5.0"
+      },
+      "dependencies": {
+        "emojis-list": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-3.0.0.tgz",
+          "integrity": "sha512-/kyM18EfinwXZbno9FyUGeFh87KC8HRQBQGildHZbEuRyWFOmv1U10o9BBp8XVZDVNNuQKyIGIu5ZYAAXJ0V2Q==",
+          "dev": true
+        },
+        "json5": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-1.0.1.tgz",
+          "integrity": "sha512-aKS4WQjPenRxiQsC93MNfjx+nbF4PAdYzmd/1JIj8HYzqfbu86beTuNgXDzPknWk0n0uARlyewZo4s++ES36Ow==",
+          "dev": true,
+          "requires": {
+            "minimist": "^1.2.0"
+          }
+        },
+        "loader-utils": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.4.0.tgz",
+          "integrity": "sha512-qH0WSMBtn/oHuwjy/NucEgbx5dbxxnxup9s4PVXJUDHZBQY+s0NWA9rJf53RBnQZxfch7euUui7hpoAPvALZdA==",
+          "dev": true,
+          "requires": {
+            "big.js": "^5.2.2",
+            "emojis-list": "^3.0.0",
+            "json5": "^1.0.1"
+          }
+        }
       }
     },
     "file-uri-to-path": {
diff --git a/package.json b/package.json
index 5babd31c0..9f57ffc95 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webpack-dev-middleware",
-  "version": "4.0.0-rc.0",
+  "version": "4.0.0-rc.1",
   "description": "A development middleware for webpack",
   "license": "MIT",
   "repository": "webpack/webpack-dev-middleware",
@@ -17,7 +17,7 @@
     "lint:js": "eslint --cache src test",
     "lint": "npm-run-all -l -p \"lint:**\"",
     "prepare": "npm run build",
-    "build": "del dist && babel src -d dist",
+    "build": "del dist && babel src -d dist --copy-files",
     "release": "standard-version",
     "security": "npm audit",
     "test:only": "cross-env NODE_ENV=test jest",
@@ -58,7 +58,7 @@
     "eslint-plugin-import": "^2.20.1",
     "eslint-plugin-prettier": "^3.1.2",
     "express": "^4.17.1",
-    "file-loader": "^5.0.2",
+    "file-loader": "^5.1.0",
     "husky": "^4.2.3",
     "jest": "^25.1.0",
     "jest-junit": "^10.0.0",