diff --git a/Definitions.md b/Definitions.md
index 59f2f97..97fb280 100644
--- a/Definitions.md
+++ b/Definitions.md
@@ -36,3 +36,13 @@ included in the forge by itself.
   - Data stored in the app should only be transactional and cache in an in-memory database
 - It needs to be mobile friendly
 - It needs to have an extensible design
+
+## Tech stack
+
+- Backend: 
+    - Go
+    - SQLite
+- Frontend: 
+    - HTMX 
+    - AlpineJS
+    - [CSS design system](https://git.alecodes.page/alecodes/mini-strap)