diff --git a/README.md b/README.md
index c892773..f7a8c50 100644
--- a/README.md
+++ b/README.md
@@ -65,4 +65,11 @@ Change the height of the laser arm till the left number displays "0" and no arro
 > I prefer option 2, because this is a quick and easy way of working. The set height of the object is lost after the power is turned off.
 
 ## Build
-To be documented.
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+To be documented.
+
+## Next steps
+For the next version:
+- include a crystal as clock source
+- find a sub-millimeter measurement sensor
+- add lens profiles and calibration
+- provide an UART interface
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