diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 004fdaf7b..81f6d8b15 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.9.0-1"
-export PIKA_PACKAGE_NAME="ocaml-batteries"
+export PIKA_PACKAGE_VERSION="1.38.0-2"
+export PIKA_PACKAGE_NAME="r-bioc-rgsepd"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"