diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 841044139..e9a9d1ff8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.2.19-1"
-export PIKA_PACKAGE_NAME="rust-time-macros"
+export PIKA_PACKAGE_VERSION="2.3.1.2-1"
+export PIKA_PACKAGE_NAME="python-sphobjinv"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"