diff --git a/README.adoc b/README.adoc
index 2b22b5f3..8894f3ce 100644
--- a/README.adoc
+++ b/README.adoc
@@ -280,8 +280,7 @@ See the https://consul.io/intro/index.html[intro] for more information.
 
 == 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 92781cd4..c5f9f3f3 100644
--- a/docs/src/main/asciidoc/README.adoc
+++ b/docs/src/main/asciidoc/README.adoc
@@ -40,8 +40,8 @@ See the https://consul.io/intro/index.html[intro] for more information.
 
 == Building
 
-include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/building-jdk8.adoc[]
+include::https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/3.1.x/docs/src/main/asciidoc/building-jdk8.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[]