diff --git a/Dockerfile b/Dockerfile
index 8ab9746..9979fca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM openjdk:8-jre-alpine
 
-ENV LT_VERSION 4.1
+ENV LT_VERSION 4.2
 
 RUN apk update && \
   	apk add \