diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 31be751a9..43a22a992 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.10.0-1"
-export PIKA_PACKAGE_NAME="prometheus-pushgateway"
+export PIKA_PACKAGE_VERSION="2.55+ds-3.1"
+export PIKA_PACKAGE_NAME="k2pdfopt"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"