diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 8bc11ada2..f0f677b52 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="10.6.0-1"
-export PIKA_PACKAGE_NAME="libsys-virt-perl"
+export PIKA_PACKAGE_VERSION="47~alpha-1"
+export PIKA_PACKAGE_NAME="d-spy"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"