diff --git a/launch4j-3.12-macos/maven/pom.xml b/launch4j-3.12-macos/maven/pom.xml
index b9f0db5..4d9a05f 100644
--- a/launch4j-3.12-macos/maven/pom.xml
+++ b/launch4j-3.12-macos/maven/pom.xml
@@ -138,7 +138,7 @@
com.thoughtworks.xstream
xstream
- 1.4.8
+ 1.4.18
org.apache.ant