diff --git a/.gitlab-ci/build/gitlab-ci.yml b/.gitlab-ci/build/gitlab-ci.yml
index 16f528cf516..11657d1572a 100644
--- a/.gitlab-ci/build/gitlab-ci.yml
+++ b/.gitlab-ci/build/gitlab-ci.yml
@@ -189,6 +189,7 @@ debian-build-testing:
     - .gitlab-ci/run-shellcheck.sh
     - .gitlab-ci/run-yamllint.sh
     - .gitlab-ci/meson/build.sh
+    - EXTRA_OPTION="${EXTRA_OPTION} -D b_lto=true" .gitlab-ci/meson/build.sh
     - .gitlab-ci/run-shader-db.sh
 
 # Test a release build with -Werror so new warnings don't sneak in.