diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0d0291626..2da7c5da8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.5.2-2"
-export PIKA_PACKAGE_NAME="md4c"
+export PIKA_PACKAGE_VERSION="0.13.0-1"
+export PIKA_PACKAGE_NAME="python-bx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"