diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 038226390..4b6d196b5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.5.1-2"
-export PIKA_PACKAGE_NAME="trimesh"
+export PIKA_PACKAGE_VERSION="1.2.1"
+export PIKA_PACKAGE_NAME="userv"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"