diff --git a/.github/workflows/lock-threads.yml b/.github/workflows/lock-threads.yml
index a39cefc4..73ffade6 100644
--- a/.github/workflows/lock-threads.yml
+++ b/.github/workflows/lock-threads.yml
@@ -22,3 +22,4 @@ jobs:
           issue-inactive-days: 7
           pr-inactive-days: 7
           exclude-any-issue-labels: 'keep-open'
+          exclude-any-pr-labels: 'keep-open'