diff --git a/package.json b/package.json
index c7d01b9..4c16cf6 100644
--- a/package.json
+++ b/package.json
@@ -6,12 +6,12 @@
     "manifest:firefox": "jq -s '.[0] * .[1]' src/manifests/base.manifest.json src/manifests/firefox.manifest.json > src/manifest.json",
     "manifest:chrome": "jq -s '.[0] * .[1]' src/manifests/base.manifest.json src/manifests/chrome.manifest.json > src/manifest.json",
     "manifest:opera": "jq -s '.[0] * .[1]' src/manifests/base.manifest.json src/manifests/opera.manifest.json > src/manifest.json",
-    "dev:firefox": "npm run manifest:firefox && mix",
-    "dev:chrome": "npm run manifest:chrome && mix",
-    "dev:opera": "npm run manifest:opera && mix",
-    "prod:firefox": "npm run manifest:firefox && mix --production",
-    "prod:chrome": "npm run manifest:chrome && mix --production",
-    "prod:opera": "npm run manifest:opera && mix --production",
+    "dev:firefox": "rm -rf dist && npm run manifest:firefox && mix",
+    "dev:chrome": "rm -rf dist && npm run manifest:chrome && mix",
+    "dev:opera": "rm -rf dist && npm run manifest:opera && mix",
+    "prod:firefox": "rm -rf dist && npm run manifest:firefox && mix --production",
+    "prod:chrome": "rm -rf dist && npm run manifest:chrome && mix --production",
+    "prod:opera": "rm -rf dist && npm run manifest:opera && mix --production",
     "watch:chrome": "npm run manifest:chrome && && mix watch",
     "build:firefox": "npm run prod:firefox && rm -rf dist-zip && npm run zip",
     "build:chrome": "npm run prod:chrome && rm -rf dist-zip && npm run zip",