diff --git a/README.adoc b/README.adoc
index 63a6090..a487d2c 100644
--- a/README.adoc
+++ b/README.adoc
@@ -31,7 +31,7 @@ IMPORTANT: If you're releasing milestones don't forget to add `-Pmilestone` and
 
 == Contributing
 
-:spring-cloud-build-branch: master
+:spring-cloud-build-branch: 4.0.x
 
 Spring Cloud is released under the non-restrictive Apache 2.0 license,
 and follows a very standard Github development process, using Github
diff --git a/docs/src/main/asciidoc/README.adoc b/docs/src/main/asciidoc/README.adoc
index bdda366..3c12ed9 100644
--- a/docs/src/main/asciidoc/README.adoc
+++ b/docs/src/main/asciidoc/README.adoc
@@ -2,7 +2,7 @@ include::intro.adoc[]
 
 == Contributing
 
-include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/contributing.adoc[]
+include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/4.0.x/docs/src/main/asciidoc/contributing.adoc[]
 
 == Building and Deploying
 
diff --git a/docs/src/main/asciidoc/spring-cloud-starters.adoc b/docs/src/main/asciidoc/spring-cloud-starters.adoc
index c9f670b..c9443e4 100644
--- a/docs/src/main/asciidoc/spring-cloud-starters.adoc
+++ b/docs/src/main/asciidoc/spring-cloud-starters.adoc
@@ -2,4 +2,4 @@
 
 include::intro.adoc[]
 
-include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/contributing-docs.adoc[]
+include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/4.0.x/docs/src/main/asciidoc/contributing-docs.adoc[]