diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9a100b809..dde78f64b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.0.0-1"
-export PIKA_PACKAGE_NAME="python-ml-collections"
+export PIKA_PACKAGE_VERSION="1.5.4-2"
+export PIKA_PACKAGE_NAME="gap-smallgrp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"