diff --git a/README.md b/README.md
index 9a1e50930f14c1ae84a0f77fa2a6421d00d09ab9..e71cc398a9582e6b269bcc805f9b469c925d970b 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,7 @@ Qt Client for [Ucoin](http://www.ucoin.io) project.
   * Note : On Windows, it seems that PyQt5 works best with 32 bits version of Python.
   * Install [python3.3](https://www.python.org/download/releases/3.3.5), [cx_freeze for python 3.3](http://cx-freeze.sourceforge.net/) and [pyqt5](http://www.riverbankcomputing.co.uk/software/pyqt/download5), and [pip](http://www.pip-installer.org/en/latest/)
   * On Windows, make sure python3 and pyqt5 are in your $PATH
+  * Install with pip : python-gnupg
   * Run "python gen_resources.py" in cutecoin folder
   * Run "python setup.py build" in cutecoin folder
   * The executable is generated in "build" folder