diff --git a/example/100k_CO_chain.jsonl.xben b/example/100k_CO_chain.jsonl.xben
index eb2ff6e..5a0f71d 100644
--- a/example/100k_CO_chain.jsonl.xben
+++ b/example/100k_CO_chain.jsonl.xben
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e1e4272e581dd3b39536ae5afb206714e39ea396d709e637323a4271a8f3951f
-size 500900908
+oid sha256:63117d6c5fadee406e842a0dfdcd222c8e4272248aa9f833981ab2bb63069a43
+size 250990760