diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1931129aef..b2239791ce 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -901,6 +901,7 @@ system:gcc:bookworm:amd64:
   <<: *system_test_gcov_job
   variables:
     CI_ENABLE_ALL_TESTS: 1
+    TZ: Australia/Sydney
   needs:
     - job: unit:gcc:bookworm:amd64
       artifacts: true