diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 385c0463c..4db111ae9 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.24.8-1"
-export PIKA_PACKAGE_NAME="gst-rtsp-server1.0"
+export PIKA_PACKAGE_VERSION="7.1.1+dfsg1-1exp1"
+export PIKA_PACKAGE_NAME="sundials"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"