Unknown directive ‘script-src-attr’
After upgrading to 6.0.0 I started to get the following error: Content Security Policy: Couldn’t process unknown directive ‘script-src-attr’. I reverted back to 5.2.0 and the error message is gone. Here's the other packages in use:

├── @koa/cors@3.1.0
├── koa@2.13.0
├── koa-compress@5.0.1
├── koa-favicon@2.1.0
├── koa-helmet@6.0.0
├── koa-logger@3.2.1
├── koa-sslify@4.0.3
└── koa-static@5.0.0
