Update README

martinRenou · martinRenou · commit cd7a495b04c3 · 2021-08-11T10:30:28.000+02:00
diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@ An IDE-like file browser
 
 ## Requirements
 
-* JupyterLab >= 3.1.0-alpha.12
+* JupyterLab >= 3.1.0,<4.0
 
 ## Install
 
