diff --git a/omr/pom.xml b/omr/pom.xml
index 7ff1b20a..43d099c4 100644
--- a/omr/pom.xml
+++ b/omr/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.9</version>
+            <version>1.4.19</version>
         </dependency>
         <dependency>
             <groupId>org.kordamp.ikonli</groupId>