diff --git a/action.js b/action.js
index ffccde8..923973a 100644
--- a/action.js
+++ b/action.js
@@ -305,7 +305,7 @@ ${diffContent}
           'anthropic-version': '2023-06-01'
         },
         body: JSON.stringify({
-          model: 'claude-3-5-sonnet-20241022',
+          model: 'claude-sonnet-4-5',
           max_tokens: 4096,
           temperature: 0.7,
           messages: [{
diff --git a/dist/index.js b/dist/index.js
index 6100b91..4ae5ce2 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -32134,7 +32134,7 @@ ${diffContent}
           'anthropic-version': '2023-06-01'
         },
         body: JSON.stringify({
-          model: 'claude-3-5-sonnet-20241022',
+          model: 'claude-sonnet-4-5',
           max_tokens: 4096,
           temperature: 0.7,
           messages: [{