diff --git a/services/pypi/pypi-downloads.service.js b/services/pypi/pypi-downloads.service.js
index d6449bcdcdd74816d617c1834bcaed4ea47e00e8..2783a70ea88a334855f608232d7c7da8fd0563b7 100644
--- a/services/pypi/pypi-downloads.service.js
+++ b/services/pypi/pypi-downloads.service.js
@@ -53,6 +53,8 @@ export default class PypiDownloads extends BaseJsonService {
     },
   ]
 
+  static _cacheLength = 21600
+
   static defaultBadgeData = { label: 'downloads' }
 
   async fetch({ packageName }) {