diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 6c8dbbc19..b885d623b 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="7.3-23-1"
-export PIKA_PACKAGE_NAME="r-cran-class"
+export PIKA_PACKAGE_VERSION="0.4.3-0.3"
+export PIKA_PACKAGE_NAME="fscacher"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"