diff --git a/trl/trainer/kto_config.py b/trl/trainer/kto_config.py
index 9c357dbdb1..bfafa9a32c 100644
--- a/trl/trainer/kto_config.py
+++ b/trl/trainer/kto_config.py
@@ -81,7 +81,7 @@ class KTOConfig(TrainingArguments):
     """
 
     learning_rate: float = field(
-        default=1e-6,
+        default=5e-7,
         metadata={
             "help": "Initial learning rate for `AdamW` optimizer. The default value replaces that of "
             "`transformers.TrainingArguments`."