diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 0a0972871..c6112aa96 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -435,7 +435,7 @@ jobs:
     name: Test flakyness
     runs-on: ubuntu-20.04
     container:
-      image: ${{ needs.params.outputs.fail_test_image_name }}:${{ needs.params.outputs.pg13_version }}${{ needs.params.outputs.image_suffix }}
+      image: ${{ needs.params.outputs.fail_test_image_name }}:${{ needs.params.outputs.pg15_version }}${{ needs.params.outputs.image_suffix }}
       options: --user root
     env:
       runs: 8