diff --git a/README b/README
index 5b8236a..4729743 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@ INSTALL
 -------
 
 calculate-lib needs the following library version installed, in order to run:
-    Python >= 2.3
+    Python >= 2.5
     python-ldap >= 2.0.0
     pyxml >= 0.8
 
diff --git a/setup.py b/setup.py
index 565083c..934cf2a 100755
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ from distutils.core import setup
 
 setup(
     name = 'calculate-lib',
-    version = "2.0.17",
+    version = "2.1.0",
     description = "The library for Calculate 2",
     author = "Calculate Pack",
     author_email = "support@calculate.ru",