diff --git a/config.toml b/config.toml
index 5ffea5c..e0b6637 100644
--- a/config.toml
+++ b/config.toml
@@ -6,7 +6,7 @@ pygmentsCodeFences = true
 [params]
 grpc_release_tag = "v1.20.0"
 grpc_release_tag_no_v = "1.20.0"
-grpc_java_release_tag = "v1.20.0"
+grpc_java_release_tag = "v1.21.0"
 milestones_link = "https://github.com/grpc/grpc/milestones"
 
 # Configuration required for auto-generating the Netlify _redirects file