diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 154fe0942..bb986dba2 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.8.3+really0.8.3-4"
-export PIKA_PACKAGE_NAME="gummi"
+export PIKA_PACKAGE_VERSION="24.9.0-1"
+export PIKA_PACKAGE_NAME="python-pretty-yaml"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"