diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d0485c6ee..83f89edd7 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.9-1"
-export PIKA_PACKAGE_NAME="python-mitogen"
+export PIKA_PACKAGE_VERSION="2.04+dfsg-6.1"
+export PIKA_PACKAGE_NAME="bglibs"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"