diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3a4a36d8a..99c65a523 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.7.0-4"
-export PIKA_PACKAGE_NAME="rust-soup3"
+export PIKA_PACKAGE_VERSION="1.8.1-1"
+export PIKA_PACKAGE_NAME="coq-hierarchy-builder"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"