diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 036e839da..61f9b8c8a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.8.2-2"
-export PIKA_PACKAGE_NAME="python-scruffy"
+export PIKA_PACKAGE_VERSION="8.13.51+ds-4"
+export PIKA_PACKAGE_NAME="libphonenumber"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"