diff --git a/pika-build-config/lto.sh b/pika-build-config/lto.sh
index a6ce86e42..d55660d65 100644
--- a/pika-build-config/lto.sh
+++ b/pika-build-config/lto.sh
@@ -1,5 +1,5 @@
-export PIKA_PACKAGE_VERSION="0.11.0-2"
-export PIKA_PACKAGE_NAME="rust-histogram"
+export PIKA_PACKAGE_VERSION="0.5.1-2"
+export PIKA_PACKAGE_NAME="ocaml-oseq"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b0"