diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 091a58fbd..7a8968ca5 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.5.4+ds-4"
-export PIKA_PACKAGE_NAME="mpfi"
+export PIKA_PACKAGE_VERSION="1.4.1-1"
+export PIKA_PACKAGE_NAME="scikit-rf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"