diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 5bd8a8a9f..104ebbc4f 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.42-3"
-export PIKA_PACKAGE_NAME="ivyplusplus"
+export PIKA_PACKAGE_VERSION="0.30.1+dfsg-1"
+export PIKA_PACKAGE_NAME="r-bioc-delayedarray"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"