diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 17ab74dbf..f9649e2ff 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.9.1-2"
-export PIKA_PACKAGE_NAME="sccache"
+export PIKA_PACKAGE_VERSION="2.18.4+ds-2"
+export PIKA_PACKAGE_NAME="zarr"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"