diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a5b2eabc3..f76b674fd 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="4.0.0-2"
-export PIKA_PACKAGE_NAME="libqtxdg"
+export PIKA_PACKAGE_VERSION="3.0.28a+dfsg-4"
+export PIKA_PACKAGE_NAME="safeint"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"