diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 029ef06c7..f92a15efb 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.13.0-1"
-export PIKA_PACKAGE_NAME="pysoundfile"
+export PIKA_PACKAGE_VERSION="5.13.0+ds2.really.5.12.2-1"
+export PIKA_PACKAGE_NAME="python-tatsu"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"