diff --git a/engine/pom.xml b/engine/pom.xml
index f6cbb11..0a7d980 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -462,7 +462,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
         <dependency>
             <groupId>org.apache.opennlp</groupId>
             <artifactId>opennlp-tools</artifactId>
-            <version>1.8.4</version>
+            <version>1.9.3</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/net.sf.trove4j/trove4j -->