diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8aec97d32..045f72b6e 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.1.0-3"
-export PIKA_PACKAGE_NAME="python-stestr"
+export PIKA_PACKAGE_VERSION="3.8.1.0-3"
+export PIKA_PACKAGE_NAME="python-xstatic-js-yaml"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"