diff --git a/package-lock.json b/package-lock.json
index 8b016a5..f70cadb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -887,12 +887,70 @@
       }
     },
     "clean-webpack-plugin": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/clean-webpack-plugin/-/clean-webpack-plugin-1.0.0.tgz",
-      "integrity": "sha512-+f96f52UIET4tOFBbCqezx7KH+w7lz/p4fA1FEjf0hC6ugxqwZedBtENzekN2FnmoTF/bn1LrlkvebOsDZuXKw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/clean-webpack-plugin/-/clean-webpack-plugin-2.0.0.tgz",
+      "integrity": "sha512-xH9RUgXaeeW2VmtygwcGNFAmYzRrv93uHk+c5gYA4qHmX1gpRfjScsvvCT7PcUb0Z5Y30H/pswTM1qYApVLBXA==",
       "dev": true,
       "requires": {
-        "rimraf": "^2.6.1"
+        "del": "^4.0.0"
+      },
+      "dependencies": {
+        "del": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/del/-/del-4.0.0.tgz",
+          "integrity": "sha512-/BnSJ+SuZyLu7xMn48kZY0nMXDi+5KNmR4g8n21Wivsl8+B9njV6/5kcTNE9juSprp0zRWBU28JuHUq0FqK1Nw==",
+          "dev": true,
+          "requires": {
+            "globby": "^6.1.0",
+            "is-path-cwd": "^2.0.0",
+            "is-path-in-cwd": "^2.0.0",
+            "p-map": "^2.0.0",
+            "pify": "^4.0.1",
+            "rimraf": "^2.6.2"
+          }
+        },
+        "globby": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
+          "integrity": "sha1-9abXDoOV4hyFj7BInWTfAkJNUGw=",
+          "dev": true,
+          "requires": {
+            "array-union": "^1.0.1",
+            "glob": "^7.0.3",
+            "object-assign": "^4.0.1",
+            "pify": "^2.0.0",
+            "pinkie-promise": "^2.0.0"
+          },
+          "dependencies": {
+            "pify": {
+              "version": "2.3.0",
+              "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+              "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+              "dev": true
+            }
+          }
+        },
+        "is-path-cwd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-path-cwd/-/is-path-cwd-2.0.0.tgz",
+          "integrity": "sha512-m5dHHzpOXEiv18JEORttBO64UgTEypx99vCxQLjbBvGhOJxnTNglYoFXxwo6AbsQb79sqqycQEHv2hWkHZAijA==",
+          "dev": true
+        },
+        "is-path-in-cwd": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-path-in-cwd/-/is-path-in-cwd-2.0.0.tgz",
+          "integrity": "sha512-6Vz5Gc9s/sDA3JBVu0FzWufm8xaBsqy1zn8Q6gmvGP6nSDMw78aS4poBNeatWjaRpTpxxLn1WOndAiOlk+qY8A==",
+          "dev": true,
+          "requires": {
+            "is-path-inside": "^1.0.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        }
       }
     },
     "cli-cursor": {
@@ -2198,7 +2256,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2613,7 +2672,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2669,6 +2729,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2712,12 +2773,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4099,6 +4162,12 @@
         "p-limit": "^1.1.0"
       }
     },
+    "p-map": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/p-map/-/p-map-2.0.0.tgz",
+      "integrity": "sha512-GO107XdrSUmtHxVoi60qc9tUl/KkNKm+X2CF4P9amalpGxv5YqVPJNfSb0wcA+syCopkZvYYIzW8OVTQW59x/w==",
+      "dev": true
+    },
     "p-try": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
diff --git a/package.json b/package.json
index 753394f..a80bb5f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "chessground": "^7.3.2"
   },
   "devDependencies": {
-    "clean-webpack-plugin": "^1.0.0",
+    "clean-webpack-plugin": "^2.0.0",
     "css-loader": "^2.0.0",
     "file-loader": "^3.0.0",
     "html-webpack-inline-source-plugin": "0.0.10",