diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ec53c9e05..b6b5f9504 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.12.1-1"
-export PIKA_PACKAGE_NAME="python-inline-snapshot"
+export PIKA_PACKAGE_VERSION="2.1.1-1"
+export PIKA_PACKAGE_NAME="python-energyzero"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"