diff --git a/python-cryptography.spec b/python-cryptography.spec
index 34fcc17..1c12ddb 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -1,5 +1,5 @@
 Name:          python-cryptography
-Version:       2.3
+Version:       2.3.1
 Release:       1mamba
 Summary:       Cryptographic recipes and primitives to Python developers
 Group:         System/Libraries
@@ -51,6 +51,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %doc LICENSE
 
 %changelog
+* Wed Aug 15 2018 Automatic Build System <autodist@mambasoft.it> 2.3.1-1mamba
+- automatic version update by autodist
+
 * Mon Aug 06 2018 Automatic Build System <autodist@mambasoft.it> 2.3-1mamba
 - automatic version update by autodist