diff --git a/package-lock.json b/package-lock.json
index d2a6fce..bf93370 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3264,6 +3264,17 @@
         "ssri": "^6.0.1",
         "unique-filename": "^1.1.1",
         "y18n": "^4.0.0"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "cache-base": {
@@ -3763,6 +3774,17 @@
         "mkdirp": "^0.5.1",
         "rimraf": "^2.5.4",
         "run-queue": "^1.0.0"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "copy-descriptor": {
@@ -4452,6 +4474,17 @@
         "p-map": "^2.0.0",
         "pify": "^4.0.1",
         "rimraf": "^2.6.3"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "delayed-stream": {
@@ -8155,6 +8188,17 @@
         "mkdirp": "^0.5.1",
         "rimraf": "^2.5.4",
         "run-queue": "^1.0.3"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "ms": {
@@ -9634,7 +9678,7 @@
     },
     "scratch-vm": {
       "version": "git://github.com/TurboWarp/scratch-vm.git#b06a29394d873614c04bf563c2b0301d56c7defe",
-      "from": "git://github.com/TurboWarp/scratch-vm.git#b06a29394d873614c04bf563c2b0301d56c7defe",
+      "from": "git://github.com/TurboWarp/scratch-vm.git#develop",
       "requires": {
         "@vernier/godirect": "1.5.0",
         "arraybuffer-loader": "^1.0.6",
diff --git a/package.json b/package.json
index f4a3807..696cb3d 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,8 @@
   "main": "index.js",
   "scripts": {
     "start": "webpack serve",
-    "build": "webpack",
+    "clean": "rimraf dist",
+    "build": "npm run clean && webpack",
     "watch": "webpack --watch",
     "test": "jest"
   },
@@ -37,6 +38,7 @@
     "html-webpack-plugin": "^4.5.2",
     "jest": "^27.0.6",
     "node-blob": "0.0.2",
+    "rimraf": "^2.7.1",
     "style-loader": "^2.0.0",
     "svelte-loader": "^3.1.2",
     "url-loader": "^4.1.1",