diff --git a/README.adoc b/README.adoc
index ba34bba3..2d78d9b6 100644
--- a/README.adoc
+++ b/README.adoc
@@ -315,7 +315,7 @@ Doing so brings in the required Spring Cloud Maven repositories and Build.
 
 == 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 453a501b..1a294e2c 100644
--- a/docs/src/main/asciidoc/README.adoc
+++ b/docs/src/main/asciidoc/README.adoc
@@ -39,8 +39,8 @@ Doing so brings in the required Spring Cloud Maven repositories and Build.
 
 == 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[]