diff --git a/.github/SUPPORT.md b/.github/SUPPORT.md
index ad86dc9fd..7841dbba1 100644
--- a/.github/SUPPORT.md
+++ b/.github/SUPPORT.md
@@ -2,4 +2,4 @@
  * For less well defined questions, ideas, general discussion or announcements of related projects use the
   [Cartopy category on Matplotlib's Discourse](https://discourse.matplotlib.org/c/3rdparty/cartopy/19).
  * Report bugs, suggest features or view the source code on [GitHub](https://github.com/SciTools/cartopy).
- * To chat with developers and other users you can use the [Gitter Chat](https://gitter.im/SciTools/cartopy).
+ * To chat with developers and other users you can use the [Discourse Chat](https://discourse.matplotlib.org/chat/c/cartopy/11) (direct link works after Discourse login).
diff --git a/README.md b/README.md
index d3b60c5b9..c377ca0bb 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,8 @@
 <a href="https://zenodo.org/badge/latestdoi/5282596">
 <img src="https://zenodo.org/badge/5282596.svg"
  alt="zenodo" /></a>
-<a href="https://gitter.im/SciTools/cartopy?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge">
-<img src="https://badges.gitter.im/SciTools/cartopy.svg" alt="Gitter Chat" /></a>
+<a href="https://discourse.matplotlib.org/chat/c/cartopy/11">
+<img src="https://img.shields.io/badge/chat-Discourse-brightgreen" alt="Discourse Chat" /></a>
 <a href="https://results.pre-commit.ci/latest/github/SciTools/cartopy/main">
 <img src="https://results.pre-commit.ci/badge/github/SciTools/cartopy/main.svg"
  alt="pre-commit.ci" /></a>
@@ -80,7 +80,7 @@ Documentation can be found at <https://cartopy.readthedocs.io/stable/>.
 - Report bugs, suggest features or view the source code on
   [GitHub](https://github.com/SciTools/cartopy).
 - To chat with developers and other users you can use the
-  [Gitter Chat](https://gitter.im/SciTools/cartopy).
+  [Discourse Chat](https://discourse.matplotlib.org/chat/c/cartopy/11) (direct link works after Discourse login).
 
 
 ## Credits, copyright and license
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 4d3dc02d1..d58a176a4 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -50,4 +50,4 @@ There are many ways to get involved in the development of cartopy:
    re-designing its layout/logos etc. The `documentation source <https://github.com/SciTools/cartopy>`_ is kept in the same repository as the source code.
  * Contribute bug fixes (:issues:`a list of outstanding bugs can be found on GitHub <Type%3A%20bug>`).
  * :ref:`contribute` describes some simple steps to get started when contributing code to Cartopy.
- * Chat with users and developers in the `Gitter chat room <https://gitter.im/SciTools/cartopy>`_.
+ * Chat with users and developers in the `Discourse chat channel <https://discourse.matplotlib.org/chat/c/cartopy/11>`_ (direct link works after Discourse login).