diff --git a/HISTORY.md b/HISTORY.md
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+++ b/HISTORY.md
@@ -3,6 +3,12 @@
 https://github.com/josdejong/jsoneditor
 
 
+## not yet released, version 5.5.8
+
+- Fixed #314: JSON schema validation throwing an error "Unexpected token ' in
+  JSON at position 0" in specific cases. Thanks @apostrophest
+
+
 ## 2016-08-17, version 5.5.7
 
 - Fixed #308: wrong positioning of label "empty array" when `onEditable`