diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1d245bbef..0225ed00f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.1.6+~cs5.2.1-1"
-export PIKA_PACKAGE_NAME="node-mkdirp"
+export PIKA_PACKAGE_VERSION="7.0.2"
+export PIKA_PACKAGE_NAME="chiark-utils"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"