diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0092ae3da..9835eb1de 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.1.3-1"
-export PIKA_PACKAGE_NAME="theme-d"
+export PIKA_PACKAGE_VERSION="1.1.1-1"
+export PIKA_PACKAGE_NAME="rust-backdown"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"