diff --git a/build.gradle b/build.gradle
index d0afeb3..f78f9d8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ repositories {
 dependencies {
     compile 'net.rptools.rplib:rplib:1.4.1.4'
     compile 'net.rptools.dicelib:dicelib:1.4.0.1'
-    compile group: 'com.thoughtworks.xstream', name: 'xstream', version: '1.3.1'
+    compile group: 'com.thoughtworks.xstream', name: 'xstream', version: '1.4.17'
     testCompile 'rhino:js:1.6R2'
     testCompile group: 'junit', name: 'junit', version: '4.11'