diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7bc70a695..5c7f6f4ea 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.8-2"
-export PIKA_PACKAGE_NAME="pybeam"
+export PIKA_PACKAGE_VERSION="2024-12.2-1"
+export PIKA_PACKAGE_NAME="r-cran-optimx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"