diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d3c087d7..78532625 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,6 +4,9 @@ The project is open to external contributions, in the spirit of open source.
 If you want to open a pull request, please follow the instructions below.
 
 To ask a question to the Catala team, please open an issue on this repository. 
+You can also join the [Zulip chat](https://zulip.catala-lang.org/) to ask 
+any questions about the project.
+
 If you want to contribute to the project on a longer-term basis, or if you have 
 specific competences as a socio-fiscal lawyer or a programming language specialist, 
 please [contact the authors](mailto:contact@catala-lang.org).
diff --git a/README.md b/README.md
index ba8efc8c..2aa23a23 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ faithful-by-construction algorithms from legislative texts. To learn quickly
 about the language and its features, you can jump right to the official 
 [Catala tutorial](https://catala-lang.org/en/examples/tutorial).
 
+Join the Catala community on Zulip: https://zulip.catala-lang.org/!
+
 ## Concepts
 
 Catala is a programming language adapted for socio-fiscal legislative literate