diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf6d1dc4..a77c5d43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- `scalr_variable`: variable's scope becomes immutable (can not change `workspace_id`, `environment_id` or `account_id`) ([#57](https://github.com/Scalr/terraform-provider-scalr/pull/57))
+- `scalr_variable`: can not change `key` attribute for sensitive variable ([#57](https://github.com/Scalr/terraform-provider-scalr/pull/57))
+
+### Required
+
+- scalr server >= `8.0.1-beta.20201202`
+
 ## [1.0.0-rc14] - 2021-03-11
 
 ### Added