diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fcecb1b4c5..bfb5ffa4a3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -40,7 +40,7 @@ You may be able to add additional or missing information, such as a step-by-step
 
 ## 📝 Reporting Issues
 ### Not a Bug / Questions
-If you need help setting something up, or if you have questions regarding the UI5 Tooling, please seek help on a community platform like [StackOverflow](http://stackoverflow.com/questions/tagged/ui5-tooling) or the `#tooling` channel of the [OpenUI5 Community Slack](https://slackui5invite.herokuapp.com).
+If you need help setting something up, or if you have questions regarding the UI5 Tooling, please seek help on a community platform like [StackOverflow](http://stackoverflow.com/questions/tagged/ui5-tooling) or the `#tooling` channel of the [OpenUI5 Community Slack](https://join-ui5-slack.herokuapp.com).
 
 ### Requirements for a Bug Report
 You are encouraged to use the [issue template](.github/ISSUE_TEMPLATE.md).
diff --git a/README.md b/README.md
index 0427e92104..1823a43e1a 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@
 Please check our [Contribution Guidelines](https://github.com/SAP/ui5-tooling/blob/master/CONTRIBUTING.md).
 
 ## Support
-Please follow our [Contribution Guidelines](https://github.com/SAP/ui5-tooling/blob/master/CONTRIBUTING.md#report-an-issue) on how to report an issue. Or chat with us in the `#tooling` channel of the [OpenUI5 Community Slack](https://slackui5invite.herokuapp.com)
+Please follow our [Contribution Guidelines](https://github.com/SAP/ui5-tooling/blob/master/CONTRIBUTING.md#report-an-issue) on how to report an issue. Or chat with us in the `#tooling` channel of the [OpenUI5 Community Slack](https://join-ui5-slack.herokuapp.com)
 
 ## License
 This project is licensed under the Apache Software License, Version 2.0 except as noted otherwise in the [LICENSE](https://github.com/SAP/ui5-tooling/blob/master/LICENSE.txt) file.
diff --git a/docs/indexJsdoc.md b/docs/indexJsdoc.md
index 63de2ea0c0..9c857d5289 100644
--- a/docs/indexJsdoc.md
+++ b/docs/indexJsdoc.md
@@ -1,7 +1,7 @@
 # UI5 Tooling API Reference
 
 ## Support
-Please follow our [Contribution Guidelines](https://github.com/SAP/ui5-tooling/blob/master/CONTRIBUTING.md#report-an-issue) on how to report an issue. Or chat with us in the `#tooling` channel of the [OpenUI5 Community Slack](https://slackui5invite.herokuapp.com)
+Please follow our [Contribution Guidelines](https://github.com/SAP/ui5-tooling/blob/master/CONTRIBUTING.md#report-an-issue) on how to report an issue. Or chat with us in the `#tooling` channel of the [OpenUI5 Community Slack](https://join-ui5-slack.herokuapp.com)
 
 ## License
 This project is licensed under the Apache Software License, Version 2.0 except as noted otherwise in the [LICENSE](https://github.com/SAP/ui5-tooling/blob/master/LICENSE.txt) file.