diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 34044d4b6..c3cebf978 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.0.20240129.1"
-export PIKA_PACKAGE_NAME="culmus-fancy"
+export PIKA_PACKAGE_VERSION="3.5a-3"
+export PIKA_PACKAGE_NAME="tmux"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"