diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 030f1299f..7f9d01e67 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.3.0-1"
-export PIKA_PACKAGE_NAME="itcl4"
+export PIKA_PACKAGE_VERSION="13.0.0~rc1-1"
+export PIKA_PACKAGE_NAME="cyborg"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"