diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 0a96cff7b..57f4eddbc 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.5.3+dfsg-8"
-export PIKA_PACKAGE_NAME="blt"
+export PIKA_PACKAGE_VERSION="6.5.1-1"
+export PIKA_PACKAGE_NAME="ruby-factory-bot"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"