diff --git a/.github/workflows/pr-check.yml b/.github/workflows/pr-check.yml
index 1ebd61e..84eee18 100644
--- a/.github/workflows/pr-check.yml
+++ b/.github/workflows/pr-check.yml
@@ -252,7 +252,7 @@ jobs:
             if [ "$BLOCKED" -eq 1 ] \
               && label_exists_any "pr-check-blocked" "blocked" \
               && ! comment_exists_any "$BUILD_SUCCESS_COMMENT" \
-              && [ "$(echo "$PR_COMMENTS" | grep -E -c 'Test build.*failed')" -gt 10 ]; then
+              && [ "$(echo "$PR_COMMENTS" | grep -E -c 'Test build.*failed')" -gt 5 ]; then
                 echo "PR is blocked and too many failing builds. Locking"
                 gh pr comment "$PR_NUM" --body "$LOCKED_COMMENT"
                 gh pr lock "$PR_NUM" || true