diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 1b939ec34..a3bb0ac33 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.20-2"
-export PIKA_PACKAGE_NAME="python-stdnum"
+export PIKA_PACKAGE_VERSION="2.1.0+dfsg-2"
+export PIKA_PACKAGE_NAME="cdogs-sdl"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"