diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index d39a45f09..16d97bedb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.11-1"
-export PIKA_PACKAGE_NAME="deheader"
+export PIKA_PACKAGE_VERSION="2.1+git20240324-1"
+export PIKA_PACKAGE_NAME="surf"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"