diff --git a/astro.config.mjs b/astro.config.ts
similarity index 98%
rename from astro.config.mjs
rename to astro.config.ts
index be03c8f..464a208 100644
--- a/astro.config.mjs
+++ b/astro.config.ts
@@ -16,7 +16,7 @@ import {
   readingTimeRemarkPlugin,
   responsiveTablesRehypePlugin,
   lazyImagesRehypePlugin,
-} from './src/utils/frontmatter.mjs';
+} from './src/utils/frontmatter';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
diff --git a/src/navigation.js b/src/navigation.ts
similarity index 100%
rename from src/navigation.js
rename to src/navigation.ts
diff --git a/src/utils/frontmatter.mjs b/src/utils/frontmatter.ts
similarity index 100%
rename from src/utils/frontmatter.mjs
rename to src/utils/frontmatter.ts
diff --git a/vendor/integration/index.mjs b/vendor/integration/index.ts
similarity index 100%
rename from vendor/integration/index.mjs
rename to vendor/integration/index.ts