diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9945d1..835b412 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## unreleased 
+
+- fixed bug saving files with history entries which contain attachments.
+
 ## 0.4.0+1
 
 - Fix UsageCount typo (vs. Usagecount) #1