diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 28c7a38c1..567af4fbb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.1.1-1"
-export PIKA_PACKAGE_NAME="python-persistent"
+export PIKA_PACKAGE_VERSION="2.1.0-6"
+export PIKA_PACKAGE_NAME="yaret"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"