diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dd6d306b6..72232c1dc 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.32-1"
-export PIKA_PACKAGE_NAME="python-pyelftools"
+export PIKA_PACKAGE_VERSION="0.20.9-1"
+export PIKA_PACKAGE_NAME="rust-graphene-rs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"