diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 84a939a22..cd5bebbb9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.14-22"
-export PIKA_PACKAGE_NAME="mailgraph"
+export PIKA_PACKAGE_VERSION="0.5.0-3"
+export PIKA_PACKAGE_NAME="python-sphinx-autodoc2"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"