diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5c7f6f4ea..e0a55cfef 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2024-12.2-1"
-export PIKA_PACKAGE_NAME="r-cran-optimx"
+export PIKA_PACKAGE_VERSION="0.0~git20250113.158dfe2-1"
+export PIKA_PACKAGE_NAME="lxc-ci"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"