diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 2101d5d3b..0baf6106d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5+F-2"
-export PIKA_PACKAGE_NAME="xaw3d"
+export PIKA_PACKAGE_VERSION="7.6.0-2"
+export PIKA_PACKAGE_NAME="varnish"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"