diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index dc1630edd..45238f863 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="12.3"
-export PIKA_PACKAGE_NAME="dgit"
+export PIKA_PACKAGE_VERSION="1.02-2.2"
+export PIKA_PACKAGE_NAME="gnuchess-book"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"