diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e6d8ff350..164285aaf 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.7-1"
-export PIKA_PACKAGE_NAME="kas"
+export PIKA_PACKAGE_VERSION="4.6.4-6"
+export PIKA_PACKAGE_NAME="gnocchi"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"