diff --git a/README.adoc b/README.adoc
index 2991a3d1..83062c93 100644
--- a/README.adoc
+++ b/README.adoc
@@ -264,7 +264,7 @@ The refresh endpoint reports that the "sample" property changed.
 
 == 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 0ee4204e..bcd2f7bc 100644
--- a/docs/src/main/asciidoc/README.adoc
+++ b/docs/src/main/asciidoc/README.adoc
@@ -60,7 +60,7 @@ The refresh endpoint reports that the "sample" property changed.
 
 == 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[]
 
 === JCE
 
@@ -77,4 +77,4 @@ Extract the JCE files into the `JDK/jre/lib/security` folder for whichever versi
 
 == 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[]