diff --git a/build.gradle b/build.gradle
index 3cde43c93d52527f409a224d500f4019f49f09d7..1999bd9e7465ae77e9536779d7ce576a5f4535b0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,7 +33,7 @@ ext {
 	groovyVersion        = "2.5.2"
 	hsqldbVersion        = "2.4.1"
 	jackson2Version      = "2.9.6"
-	jettyVersion         = "9.4.12.RC2"
+	jettyVersion         = "9.4.12.v20180830"
 	junit5Version        = "5.3.0"
 	kotlinVersion        = "1.2.61"
 	log4jVersion         = "2.11.1"