diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 9d2c2e488..86a7311d8 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.24+nmu2"
-export PIKA_PACKAGE_NAME="ftpwatch"
+export PIKA_PACKAGE_VERSION="2.4.2-4"
+export PIKA_PACKAGE_NAME="python-qtpy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"