diff --git a/pom.xml b/pom.xml
index 1f87188..fa32613 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
 		<dependency>
 			<groupId>org.apache.opennlp</groupId>
 			<artifactId>opennlp-tools</artifactId>
-			<version>1.9.2</version>
+			<version>2.5.9</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.opennlp</groupId>