diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index e4eb0bdcc..9e6ce62b9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="23.10.4-2"
-export PIKA_PACKAGE_NAME="constantly"
+export PIKA_PACKAGE_VERSION="1.17.0+ds-3"
+export PIKA_PACKAGE_NAME="ucx"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"