diff --git a/biosem-event-extractor/pom.xml b/biosem-event-extractor/pom.xml
index ebff1fe..0997165 100644
--- a/biosem-event-extractor/pom.xml
+++ b/biosem-event-extractor/pom.xml
@@ -115,7 +115,7 @@
         <dependency>
             <groupId>org.apache.opennlp</groupId>
             <artifactId>opennlp-tools</artifactId>
-            <version>1.6.0</version>
+            <version>1.8.2</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>