diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8656ed43b..92d7967f8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.4-1.2"
-export PIKA_PACKAGE_NAME="stone"
+export PIKA_PACKAGE_VERSION="6.3.0-3"
+export PIKA_PACKAGE_NAME="phpunit-comparator"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"