diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9f2634afb..3d714fb70 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.98-4"
-export PIKA_PACKAGE_NAME="exim4"
+export PIKA_PACKAGE_VERSION="0~20241231-1"
+export PIKA_PACKAGE_NAME="gnulib-l10n"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"