diff --git a/migrations/0003_add_published_at_index.sql b/migrations/0003_add_published_at_index.sql
new file mode 100644
index 0000000..ff86cd3
--- /dev/null
+++ b/migrations/0003_add_published_at_index.sql
@@ -0,0 +1,2 @@
+-- Add index for descending published_at to optimize latest posts queries
+CREATE INDEX IF NOT EXISTS idx_posts_published_at_desc ON posts(published_at DESC);