diff --git a/core/pom.xml b/core/pom.xml
index 801bf5c2..ed7696f9 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -114,7 +114,7 @@
         <dependency>
             <groupId>xerces</groupId>
             <artifactId>xercesImpl</artifactId>
-            <version>2.9.1</version>
+            <version>2.12.0</version>
         </dependency>
         <!-- Jackson: fast JSON ser/de -->
         <dependency>