diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0c5ba96da..aafeb5bc0 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.6.1-1"
-export PIKA_PACKAGE_NAME="python-temperusb"
+export PIKA_PACKAGE_VERSION="6.21.1-3"
+export PIKA_PACKAGE_NAME="nordugrid-arc"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"