diff --git a/packages/bitbucket-codesandboxer/package.json b/packages/bitbucket-codesandboxer/package.json
index 52b1aa6..033014c 100644
--- a/packages/bitbucket-codesandboxer/package.json
+++ b/packages/bitbucket-codesandboxer/package.json
@@ -20,7 +20,7 @@
     "codesandboxer": "^1.0.0",
     "copy-webpack-plugin": "^4.5.1",
     "css-loader": "^0.28.11",
-    "mini-css-extract-plugin": "^0.4.0",
+    "mini-css-extract-plugin": "^0.9.0",
     "p-memoize": "^2.0.0",
     "path-browserify": "^1.0.0",
     "prop-types": "^15.6.1",