diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ea64389b4..32927239f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.5.2+ds-1"
-export PIKA_PACKAGE_NAME="r-cran-ff"
+export PIKA_PACKAGE_VERSION="1.3.13-1"
+export PIKA_PACKAGE_NAME="courier"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"