diff --git a/.env.example b/.env.example
index d421729..396e0bb 100644
--- a/.env.example
+++ b/.env.example
@@ -5,7 +5,7 @@ SLACK_SIGNING_SECRET="xxxx"
 
 DYNAMODB_TABLE_NAME="gurumi-ai-bot-context"
 
-MODEL_ID_TEXT="anthropic.claude-3-sonnet-20240229-v1:0"
+MODEL_ID_TEXT="anthropic.claude-3-5-sonnet-20240620-v1:0"
 MODEL_ID_IMAGE="stability.stable-diffusion-xl-v1"
 
 ALLOWED_CHANNEL_IDS="C000000,C000001"