diff --git a/CONTRIBUTING.adoc b/CONTRIBUTING.adoc
index a97e428..cde0747 100644
--- a/CONTRIBUTING.adoc
+++ b/CONTRIBUTING.adoc
@@ -1,2 +1,2 @@
-If you have not previously done so, please fill out and
-submit the https://cla.pivotal.io/sign/spring[Contributor License Agreement].
\ No newline at end of file
+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].