diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index cf6c1491a..15b8d9978 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="11.1.3-5"
-export PIKA_PACKAGE_NAME="ruby-byebug"
+export PIKA_PACKAGE_VERSION="2.3+ds-2"
+export PIKA_PACKAGE_NAME="uncalled"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b3"