diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index 351e48da5..29d86c9bd 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="1.16.0-1"
-export PIKA_PACKAGE_NAME="r-bioc-matrixgenerics"
+export PIKA_PACKAGE_VERSION="4.5.4+dfsg-1"
+export PIKA_PACKAGE_NAME="sepp"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"