diff --git a/Changelog b/Changelog
index d6923085d..0c06af475 100644
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,9 @@
 
+0.26.6          (2020-xx-xx):
+
+* Bugfix: %GITHUB%/issues/569
+      A CIF reader and writer bug was fixed
+
 0.26.5          (2020-05-02):
 
 * Bugfix: %GITHUB%/issues/539