diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 215da6ac2..05944bd66 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="3.2.6+dfsg-1"
-export PIKA_PACKAGE_NAME="node-async"
+export PIKA_PACKAGE_VERSION="0.9.1-3"
+export PIKA_PACKAGE_NAME="sigscheme"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"