diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b294c4c19..ef67c92e8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.3.0-1"
-export PIKA_PACKAGE_NAME="lxml"
+export PIKA_PACKAGE_VERSION="1.2.0-1"
+export PIKA_PACKAGE_NAME="scikit-rf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"