diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 29376d5f0..66efc8026 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="2.1.2+dfsg1-6"
-export PIKA_PACKAGE_NAME="freehep-xml"
+export PIKA_PACKAGE_VERSION="1.4.304.0-1"
+export PIKA_PACKAGE_NAME="vulkan-loader"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"