diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5175a86..67b2b4f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -12,7 +12,7 @@ Updated
    use cString by default
    
 
-0.3.1 - unreleased
+0.3.1 - 21.01.2017
 --------------------------------------------------------------------------------
 
 Added