diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9a185584e..7a61ff028 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.11"
-export PIKA_PACKAGE_NAME="apt-forktracer"
+export PIKA_PACKAGE_VERSION="1:19.0.0~rc1-2"
+export PIKA_PACKAGE_NAME="barbican"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"