diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0c782d7f5..940bd7c573 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ env:
   BUILDKIT_CANDIDATES_KEY: buildkit-candidates
   BUILDKIT_ARTIFACT_KEY: buildkit-binaries
   BUILDKIT_CACHE_PREFIX: bkbins
-  BUILDKIT_CANDIDATES_REFS: master
+  BUILDKIT_CANDIDATES_REFS: master,pr-6964
   BUILDKIT_CANDIDATES_LAST_DAYS: 15
   BUILDKIT_CANDIDATES_LAST_RELEASES: 8
   ##