diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ad309a6e0..c556a02dc 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:20240901-1"
-export PIKA_PACKAGE_NAME="chirp"
+export PIKA_PACKAGE_VERSION="0.5.2-2"
+export PIKA_PACKAGE_NAME="python-aiostream"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"