diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 83e97d24e..f1fd1c9ff 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:1.0.0-9"
-export PIKA_PACKAGE_NAME="pyzor"
+export PIKA_PACKAGE_VERSION="3.6.1-2"
+export PIKA_PACKAGE_NAME="optuna"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"