diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index aa59cf396..9eefa1329 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.229-1"
-export PIKA_PACKAGE_NAME="libtie-cycle-perl"
+export PIKA_PACKAGE_VERSION="6.10.0-1"
+export PIKA_PACKAGE_NAME="kf6-purpose"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"