diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 214c79134..18b599c1c 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="12.5.1.6-1"
-export PIKA_PACKAGE_NAME="rtpengine"
+export PIKA_PACKAGE_VERSION="0.3.16.4-6"
+export PIKA_PACKAGE_NAME="haskell-system-fileio"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"