diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 7d968bce5..f56dc5dab 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.5.0+~3.4.2-1"
-export PIKA_PACKAGE_NAME="node-luxon"
+export PIKA_PACKAGE_VERSION="2.17-57"
+export PIKA_PACKAGE_NAME="setserial"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"