diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0e4ba8e40..c1f7e6204 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.4-5"
-export PIKA_PACKAGE_NAME="python-pytest-toolbox"
+export PIKA_PACKAGE_VERSION="1.2.3-1"
+export PIKA_PACKAGE_NAME="ukwm"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"