diff --git a/calvalus-processing/pom.xml b/calvalus-processing/pom.xml
index f7a0866df..ecd54ee2a 100644
--- a/calvalus-processing/pom.xml
+++ b/calvalus-processing/pom.xml
@@ -187,7 +187,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>1.4.19</version>
         </dependency>
 
         <!--  BC Geo - Inventory -->
diff --git a/calvalus-snap/pom.xml b/calvalus-snap/pom.xml
index d4303ce5f..99381bdbc 100644
--- a/calvalus-snap/pom.xml
+++ b/calvalus-snap/pom.xml
@@ -406,7 +406,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.8</version>
+            <version>1.4.19</version>
         </dependency>
         <dependency>
             <groupId>xerces</groupId>
diff --git a/pom.xml b/pom.xml
index cb59be285..62380b590 100644
--- a/pom.xml
+++ b/pom.xml
@@ -352,7 +352,7 @@
             <dependency>
                 <groupId>com.thoughtworks.xstream</groupId>
                 <artifactId>xstream</artifactId>
-                <version>1.4.8</version>
+                <version>1.4.19</version>
             </dependency>
             <dependency>
                 <groupId>com.googlecode.json-simple</groupId>