diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index f9de13e5d..13fbefddd 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2b-18"
-export PIKA_PACKAGE_NAME="meschach"
+export PIKA_PACKAGE_VERSION="0.3.0-2"
+export PIKA_PACKAGE_NAME="rust-pyo3-filelike"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"