diff --git a/src/libs/github-contribution-service/github-contribution-service.js b/src/libs/github-contribution-service/github-contribution-service.js
index c3d7c645..539d7ac8 100644
--- a/src/libs/github-contribution-service/github-contribution-service.js
+++ b/src/libs/github-contribution-service/github-contribution-service.js
@@ -16,7 +16,7 @@ const CACHE_KEY_STAT = 'GITHUB_AUTHORS_CONTRIBUTION'
 const CACHE_KEY_EXISTS = 'GITHUB_AUTHORS_EXISTS'
 const CACHE_KEY_ID = 'GITHUB_AUTHORS_ID'
 const CACHE_KEY_ACTIONS = 'GITHUB_AUTHORS_ACTIONS'
-const CACHE_DURATION = '21d'
+const CACHE_DURATION = '28d'
 
 const assetCache = {}
 assetCache['stat'] = new Cache.AssetCache(CACHE_KEY_STAT)