diff --git a/README.adoc b/README.adoc
index 1f3c627b1..a96231d59 100644
--- a/README.adoc
+++ b/README.adoc
@@ -102,7 +102,7 @@ string like that.)
 
 == Building
 
-:jdkversion: 17
+:jdkversion: 1.8
 
 === Basic Compile and Test
 
diff --git a/docs/src/main/asciidoc/README.adoc b/docs/src/main/asciidoc/README.adoc
index 6d0f4cf8d..f5eb5c158 100644
--- a/docs/src/main/asciidoc/README.adoc
+++ b/docs/src/main/asciidoc/README.adoc
@@ -12,8 +12,8 @@ include::getting-started.adoc[]
 
 == Building
 
-include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/building.adoc[]
+include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/3.1.x/docs/src/main/asciidoc/building.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/3.1.x/docs/src/main/asciidoc/contributing.adoc[]
diff --git a/docs/src/main/asciidoc/spring-cloud-function.adoc b/docs/src/main/asciidoc/spring-cloud-function.adoc
index a336498e9..a297c9475 100644
--- a/docs/src/main/asciidoc/spring-cloud-function.adoc
+++ b/docs/src/main/asciidoc/spring-cloud-function.adoc
@@ -16,7 +16,7 @@ Mark Fisher, Dave Syer, Oleg Zhurakousky, Anshul Mehra, Dan Dobrin
 
 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/3.1.x/docs/src/main/asciidoc/contributing-docs.adoc[]
 
 == Getting Started