diff --git a/.github/workflows/issue_similarity.yml b/.github/workflows/issue_similarity.yml
index 78e82b9b..254678d0 100644
--- a/.github/workflows/issue_similarity.yml
+++ b/.github/workflows/issue_similarity.yml
@@ -15,4 +15,5 @@ jobs:
           comment-title: '### See'
           comment-body: '${index}. ${similarity} #${number}'
           show-footer: false
-          show-mentioned: true
\ No newline at end of file
+          show-mentioned: true
+          since-days: 730
\ No newline at end of file