diff --git a/README b/README
index 736dd31..2bf90b4 100644
--- a/README
+++ b/README
@@ -4,7 +4,7 @@ INSTALL
 -------
 
 calculate-install needs the following library version installed, in order to run:
-    calculate-lib >= 2.2.20
+    calculate-lib >= 2.2.21
 
 To install calculate-install , just execute the install script 'setup.py'.
 Example:
diff --git a/pym/cl_install.py b/pym/cl_install.py
index e341fd9..4f83b51 100644
--- a/pym/cl_install.py
+++ b/pym/cl_install.py
@@ -14,7 +14,7 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-__version__ = "2.2.20"
+__version__ = "2.2.21"
 __app__ = "calculate-install"
 
 import os
diff --git a/setup.py b/setup.py
index dedfee4..adbe1f0 100755
--- a/setup.py
+++ b/setup.py
@@ -159,7 +159,7 @@ class build( distutils.command.build.build ) :
 
 setup(
     name = 'calculate-install',
-    version = "2.2.20",
+    version = "2.2.21",
     description = "Calculate Linux installer",
     author = "Calculate Ltd.",
     author_email = "support@calculate.ru",