diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cbbaec200..64a18049b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="257.4+1"
-export PIKA_PACKAGE_NAME="systemd-boot-efi-amd64-signed"
+export PIKA_PACKAGE_VERSION="1.9.7"
+export PIKA_PACKAGE_NAME="upgrade-system"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"