diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 4ae6e4d22..d05bfe729 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.0-2"
-export PIKA_PACKAGE_NAME="rpi-bad-power"
+export PIKA_PACKAGE_VERSION="4.0.0-3"
+export PIKA_PACKAGE_NAME="mpi4py"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"