diff --git a/pom.xml b/pom.xml
index 50284d8..ef7bf6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 		<shadedClassifier>bin</shadedClassifier>
 		<java.version>1.8</java.version>
 		<gson.version>2.7</gson.version>
-		<opennlp.version>1.6.0</opennlp.version>
+		<opennlp.version>2.5.9</opennlp.version>
 		<mallet.version>2.0.7</mallet.version>
 	</properties>