diff --git a/pom.xml b/pom.xml
index 0ee32227abc..b4f7374f384 100644
--- a/pom.xml
+++ b/pom.xml
@@ -655,7 +655,7 @@
         <dependency>
             <groupId>org.apache.opennlp</groupId>
             <artifactId>opennlp-tools</artifactId>
-            <version>1.9.1</version>
+            <version>2.5.9</version>
         </dependency>
         <dependency>
             <groupId>org.xmlunit</groupId>