diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 13777abaf..c22c2b22b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.2.1-4"
-export PIKA_PACKAGE_NAME="libutempter"
+export PIKA_PACKAGE_VERSION="2.10.really.2.0.18-1"
+export PIKA_PACKAGE_NAME="ruby-acme-client"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"