diff --git a/tianshou b/tianshou
index a66b45c..ddcd4bc 160000
--- a/tianshou
+++ b/tianshou
@@ -1 +1 @@
-Subproject commit a66b45c2235f8ce99ccab4eeda935d8f587df713
+Subproject commit ddcd4bca2f7fac33016dd427bcc876b0a5c7eff9