diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index cbd319b..b6017c0 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -18,10 +18,10 @@ jobs:
     steps:
       - name: Fetch recent PR numbers
         run: |
-          prs_raw=$(gh pr list --base "new-pr" -L 50 --state open --json number,createdAt,isDraft \
+          prs_raw=$(gh pr list --base "new-pr" -L 50 --state open --json number,updatedAt,isDraft \
             | jq -r '[.[]
               | select(.isDraft == false
-                and .createdAt >= (now - (2 * 24 * 60 * 60) | todate))
+                and .updatedAt >= (now - (2 * 24 * 60 * 60) | todate))
               | .number]
             | .[]')
             prs_list=$(printf '%s\n' $prs_raw | head -30 | paste -sd "," -)