diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 107e70af0..a22762b83 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.66-1"
-export PIKA_PACKAGE_NAME="startpar"
+export PIKA_PACKAGE_VERSION="5.3.104-2"
+export PIKA_PACKAGE_NAME="bctoolbox"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"