diff --git a/README.adoc b/README.adoc
index a96231d59..1f3c627b1 100644
--- a/README.adoc
+++ b/README.adoc
@@ -102,7 +102,7 @@ string like that.)
 
 == Building
 
-:jdkversion: 1.8
+:jdkversion: 17
 
 === Basic Compile and Test