diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6196ddd3c..d8c0cfcf5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.2.0.0-5"
-export PIKA_PACKAGE_NAME="ilorest"
+export PIKA_PACKAGE_VERSION="6.1.0-4"
+export PIKA_PACKAGE_NAME="python-oslo.concurrency"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"