diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8da21dff7..a44dd8b73 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.14.2-1"
-export PIKA_PACKAGE_NAME="r-cran-paramhelpers"
+export PIKA_PACKAGE_VERSION="4.0-5"
+export PIKA_PACKAGE_NAME="flufl.bounce"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"