diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0f0024cff..4c16261ae 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="6.0-1"
-export PIKA_PACKAGE_NAME="zope.proxy"
+export PIKA_PACKAGE_VERSION="4.6.4-2"
+export PIKA_PACKAGE_NAME="gnocchi"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"