diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cb9c391..7be82844 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Change Log
 
-## [10.11.0] - 2026-xx-xx - [Release notes](https://beta.frontmatter.codes/updates/v10.11.0)
+## [10.11.0] - 2026-07-02 - [Release notes](https://beta.frontmatter.codes/updates/v10.11.0)
 
 ### 🎨 Enhancements
 
diff --git a/package.json b/package.json
index 22e689af..cc3ad1f9 100644
--- a/package.json
+++ b/package.json
@@ -2186,7 +2186,7 @@
         },
         "frontMatter.copilot.family": {
           "type": "string",
-          "default": "gpt-4o-mini",
+          "default": "gpt-5-mini",
           "markdownDescription": "%setting.frontMatter.copilot.family.markdownDescription%"
         },
         "frontMatter.copilot.enabled": {
diff --git a/src/services/Copilot.ts b/src/services/Copilot.ts
index 1ef903ad..4be63124 100644
--- a/src/services/Copilot.ts
+++ b/src/services/Copilot.ts
@@ -270,7 +270,7 @@ Example: SEO, website optimization, digital marketing.`
     // console.log(models);
     const [model] = await lm.selectChatModels({
       vendor: 'copilot',
-      family: Settings.get<string>(SETTING_COPILOT_FAMILY) || 'gpt-4.1'
+      family: Settings.get<string>(SETTING_COPILOT_FAMILY) || 'gpt-5-mini'
     });
 
     if ((!model || !model.sendRequest) && retry <= 5) {