diff --git a/README b/README
index 8284e4e..ff40316 100644
--- a/README
+++ b/README
@@ -7,7 +7,8 @@ calculate-client needs the following library version installed, in order to run:
     Python >= 2.5
     python-ldap >= 2.0.0
     pyxml >= 0.8
-    calculate-lib >= 2.1.4
+    calculate-lib >= 2.1.6
+    py-smbpasswd >= 1.0
 
 To install calculate-client , just execute the install script 'setup.py'.
 Example: