diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 882ed7e7e..f16aa6a1d 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="5.47.0-5"
-export PIKA_PACKAGE_NAME="maxima"
+export PIKA_PACKAGE_VERSION="3.1.0+dfsg-1"
+export PIKA_PACKAGE_NAME="grengine"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"