diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 3af3c8cd9..d24d50b78 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.1-1"
-export PIKA_PACKAGE_NAME="python-flatdict"
+export PIKA_PACKAGE_VERSION="1.2.7+git20211020.de26d5c+dfsg-2"
+export PIKA_PACKAGE_NAME="baitfisher"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"