diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c4327f..c10007d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [3.1.10] (Enhancements Release/Auto-generated models) - 2019-12-10
 
+⚠️ This version is marked as **broken/deprecated**. Consider to use v3.1.12 instead.
+
 This release contains fully updated API models. All the models were split by appropriate API entitities
 and all the models are auto-generated now. This change simplifies keeping up-to-date changes in the API 
 request/response.
diff --git a/README.md b/README.md
index 843ab82..f18bd1a 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,10 @@ Register here to be able to test your SDK integration before go live:
 
 ## Installation and Usage
 
+### Important Notices
+
+⚠️ v3.1.10 is marked as **broken/deprecated**. Consider to use v3.1.12 instead.
+
 ### Examples
 
 Example files can be found in the [examples](Klarna.Rest/Klarna.Rest.Core.Examples) project.