diff --git a/README.org b/README.org
index 1aa3d018cb4d7db78160f1f5e1d2ae9b215341a6..6a878bdab52ae4c5f57a1eed90c07621a59d9abd 100644
--- a/README.org
+++ b/README.org
@@ -13,12 +13,14 @@ zero-panel have binary release for debian and ubuntu.  See the above zero-el
 document for how to add the apt repo.
 
 * To build zero-panel from source
-- Get [[https://mesonbuild.com][meson build tool]].
+- Get [[https://mesonbuild.com][meson build tool]]. To build zero-panel, meson>=0.46.0 is required. This
+  is enforced in meson.build file.
 
   #+BEGIN_SRC sh
     sudo apt install -y meson ninja
-    # or
+    # or if system meson package is too old
     python3 -m pip install --user meson ninja
+    # add ~/.local/bin to PATH
   #+END_SRC
 
 - Install zero-panel dependencies