diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index ccae96d2e..039e3db96 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.19.4-1"
-export PIKA_PACKAGE_NAME="libmrss"
+export PIKA_PACKAGE_VERSION="1.1.9-3"
+export PIKA_PACKAGE_NAME="readstat"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"