diff --git a/CHANGELOG.md b/CHANGELOG.md
index df58d77b..d1ad24d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,13 +7,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.0.0-rc20] - 2021-09-10
+
 ### Fixed
 
-- `scalr_environment`: fix empty strings handling in `cloud_credentials` and `policy_groups` attributes ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
-- `scalr_webhook`: fix empty strings handling in `events` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
-- `scalr_access_policy`: fix empty strings handling in `role_ids` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
-- `scalr_role`: fix empty strings handling in `permissions` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
-- `scalr_workspace`: fix empty strings handling in `vcs_repo.trigger_prefixes` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
+- `scalr_environment`: fixed handling of empty strings in `cloud_credentials` and `policy_groups` attributes ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
+- `scalr_webhook`: fixed handling of empty strings in `events` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
+- `scalr_access_policy`: fixed handling of empty strings in `role_ids` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
+- `scalr_role`: fixed handling of empty strings in `permissions` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
+- `scalr_workspace`: fixed handling of empty strings in `vcs_repo.trigger_prefixes` attribute ([#81](https://github.com/Scalr/terraform-provider-scalr/pull/81))
 
 
 ## [1.0.0-rc19] - 2021-08-19
@@ -286,7 +288,8 @@ Requires Scalr 8.0.1-beta.20200625 at least
 
 - Initial release.
 
-[Unreleased]: https://github.com/Scalr/terraform-provider-scalr/compare/v1.0.0-rc19...HEAD
+[Unreleased]: https://github.com/Scalr/terraform-provider-scalr/compare/v1.0.0-rc20...HEAD
+[1.0.0-rc20]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v1.0.0-rc20
 [1.0.0-rc19]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v1.0.0-rc19
 [1.0.0-rc18]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v1.0.0-rc18
 [1.0.0-rc17]: https://github.com/Scalr/terraform-provider-scalr/releases/tag/v1.0.0-rc17