diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7c1f00fe65..5367ec0bd6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -41,6 +41,7 @@ the `main` branch of GitHub. All you need is:
 
 - **Java v21** for the runtime or major
 - [**Apache Maven**](https://maven.apache.org/), to build the distribution
+- [**Docker**](https://www.docker.com/), to build the container images
 
 It's super easy, just follow the following steps: