diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 752c61b09..0e3b85ff3 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.3.1-6"
-export PIKA_PACKAGE_NAME="haskell-dynamic-state"
+export PIKA_PACKAGE_VERSION="3.5a-1"
+export PIKA_PACKAGE_NAME="tmux"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"