diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -102,6 +102,10 @@ and by [Jeroen De Dauw](https://www.mediawiki.org/wiki/User:Jeroen_De_Dauw) as [
 
 ## Release notes
 
+### 1.0.1 (2014-06-16)
+
+* The Deserializer for snaks now constructs UnDeserializableValue objects for invalid data values
+
 ### 1.0 (2014-05-27)
 
 * Usage of DataModel 0.7.x rather than 0.6.x.