diff --git a/.github/dco.yml b/.github/dco.yml
new file mode 100644
index 0000000..0c4b142
--- /dev/null
+++ b/.github/dco.yml
@@ -0,0 +1,2 @@
+require:
+  members: false
diff --git a/README.adoc b/README.adoc
index 0a6b67a..2fc08d9 100644
--- a/README.adoc
+++ b/README.adoc
@@ -7,3 +7,8 @@ To build the documents
 ```
 $mvn package
 ```
+
+## Contributions
+
+All commits must include a **Signed-off-by** trailer at the end of each commit message to indicate that the contributor agrees to the Developer Certificate of Origin.
+For additional details, please refer to the blog post https://spring.io/blog/2025/01/06/hello-dco-goodbye-cla-simplifying-contributions-to-spring[Hello DCO, Goodbye CLA: Simplifying Contributions to Spring].
\ No newline at end of file