diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b0466760a..c4f8b0f62 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.25.1+git20220625.6cfbc9d-4"
-export PIKA_PACKAGE_NAME="el-mock-el"
+export PIKA_PACKAGE_VERSION="0~20240501-1"
+export PIKA_PACKAGE_NAME="libfsfat"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"