diff --git a/train_configs/llama3_405b.toml b/train_configs/llama3_405b.toml
index fb250642..b7f78dc2 100644
--- a/train_configs/llama3_405b.toml
+++ b/train_configs/llama3_405b.toml
@@ -23,7 +23,7 @@ tokenizer_path = "./torchtitan/datasets/tokenizer/original/tokenizer.model"
 
 [optimizer]
 name = "AdamW"
-lr = 0.8e-4
+lr = 8e-5
 
 [training]
 batch_size = 2