diff --git a/Dockerfile b/Dockerfile
index 5d1d81bb..c2a068b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@ FROM openjdk:8-jdk-slim as builder
 
 USER root
 
-ENV ANT_VERSION 1.10.13
+ENV ANT_VERSION 1.10.15
 ENV ANT_HOME /etc/ant-${ANT_VERSION}
 
 WORKDIR /tmp