diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index df5d05d01..54ece7fe7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.1.6-1"
-export PIKA_PACKAGE_NAME="rust-utmp-classic"
+export PIKA_PACKAGE_VERSION="5"
+export PIKA_PACKAGE_NAME="binutils-z80"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"