diff --git a/Chapter06/pom.xml b/Chapter06/pom.xml
index 6fddc04..4c194ac 100644
--- a/Chapter06/pom.xml
+++ b/Chapter06/pom.xml
@@ -71,7 +71,7 @@
 		<dependency>
 			<groupId>edu.stanford.nlp</groupId>
 			<artifactId>stanford-corenlp</artifactId>
-			<version>3.6.0</version>
+			<version>4.4.0</version>
 		</dependency>
 		<dependency>
 			<groupId>edu.stanford.nlp</groupId>