diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 784611a0c..dc7722f87 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.4.1-3"
-export PIKA_PACKAGE_NAME="r-base"
+export PIKA_PACKAGE_VERSION="0.2-4"
+export PIKA_PACKAGE_NAME="haskell-rfc5051"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"