diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e49c9c467..d2ff40f99 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.12.0-1"
-export PIKA_PACKAGE_NAME="libsidplayfp"
+export PIKA_PACKAGE_VERSION="2.3.1-9"
+export PIKA_PACKAGE_NAME="ray"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"