diff --git a/eureka-client/build.gradle b/eureka-client/build.gradle
index af9dfdceb7..a6e556b4a3 100644
--- a/eureka-client/build.gradle
+++ b/eureka-client/build.gradle
@@ -7,7 +7,7 @@ configurations.all {
 
 dependencies {
     compile "com.netflix.netflix-commons:netflix-eventbus:0.3.0"
-    compile 'com.thoughtworks.xstream:xstream:1.4.18'
+    compile 'com.thoughtworks.xstream:xstream:1.4.19'
     compile "com.netflix.archaius:archaius-core:${archaiusVersion}"
     compile 'javax.ws.rs:jsr311-api:1.1.1'
     compile "com.netflix.servo:servo-core:${servoVersion}"
diff --git a/eureka-core/build.gradle b/eureka-core/build.gradle
index 8fb3fe1e15..32b69cfd63 100644
--- a/eureka-core/build.gradle
+++ b/eureka-core/build.gradle
@@ -7,7 +7,7 @@ dependencies {
     compile "com.amazonaws:aws-java-sdk-sts:${awsVersion}"
     compile "com.amazonaws:aws-java-sdk-route53:${awsVersion}"
     compile "javax.servlet:servlet-api:${servletVersion}"
-    compile 'com.thoughtworks.xstream:xstream:1.4.17'
+    compile 'com.thoughtworks.xstream:xstream:1.4.19'
     compile 'javax.ws.rs:jsr311-api:1.1.1'
 
     // These dependencies are marked 'compileOnly' in the client, but we need them always on the server