diff --git a/packages/jupyter-ai/README.md b/packages/jupyter-ai/README.md
index abead6192..2ca103efb 100644
--- a/packages/jupyter-ai/README.md
+++ b/packages/jupyter-ai/README.md
@@ -9,7 +9,7 @@ for the frontend extension.
 
 ## Requirements
 
-- JupyterLab >= 3.5 (not JupyterLab 4)
+- JupyterLab >= 4.0.0
 - Jupyter Server >= 2.0.0
 
 ## Installation