diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5eb245665..e9e7a377c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.0.1-6"
-export PIKA_PACKAGE_NAME="python-libconf"
+export PIKA_PACKAGE_VERSION="18.2.4+ds-13"
+export PIKA_PACKAGE_NAME="ceph"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"