diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index c0c61a8b2..9ef50e1a8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.04+dfsg-7"
-export PIKA_PACKAGE_NAME="bglibs"
+export PIKA_PACKAGE_VERSION="0.1.51-4"
+export PIKA_PACKAGE_NAME="refnx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"