diff --git a/README.adoc b/README.adoc
index 595bac1d8..c94e77b01 100644
--- a/README.adoc
+++ b/README.adoc
@@ -103,7 +103,7 @@ string like that.)
 
 == Building
 
-:jdkversion: 1.8
+:jdkversion: 17
 
 === Basic Compile and Test