diff --git a/build.gradle b/build.gradle
index 9162ca9a2f..0a1e81a865 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,7 +36,7 @@ ext {
 	jackson2Version      = "2.9.8"
 	jettyVersion         = "9.4.17.v20190418"
 	junit5Version        = "5.4.2"
-	kotlinVersion        = "1.3.30"
+	kotlinVersion        = "1.3.31"
 	log4jVersion         = "2.11.2"
 	nettyVersion         = "4.1.35.Final"
 	reactorVersion       = "Dysprosium-BUILD-SNAPSHOT"