diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index b9b02ed2c..a09aba34a 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1:6.0.3-1"
-export PIKA_PACKAGE_NAME="lxc"
+export PIKA_PACKAGE_VERSION="3.0046"
+export PIKA_PACKAGE_NAME="ucf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"