diff --git a/requirements.txt b/requirements.txt
index b54a66b..43c1ecf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-deepmd-kit[cpu]==2.2.8
+deepmd-kit[cpu]==2.2.9
 dpgen==0.12.0
 dpdispatcher==0.6.4
 dargs