diff --git a/openqa.interpreter.tbsl/pom.xml b/openqa.interpreter.tbsl/pom.xml
index 74df627..8c09f74 100644
--- a/openqa.interpreter.tbsl/pom.xml
+++ b/openqa.interpreter.tbsl/pom.xml
@@ -679,7 +679,7 @@
     <dependency>
     	<groupId>com.thoughtworks.xstream</groupId>
     	<artifactId>xstream</artifactId>
-    	<version>1.4.3</version>
+    	<version>1.4.15</version>
     </dependency>
     <dependency>
     	<groupId>org.tukaani</groupId>