diff --git a/chatbotv1/pom.xml b/chatbotv1/pom.xml
index a0575a2..060bfa3 100644
--- a/chatbotv1/pom.xml
+++ b/chatbotv1/pom.xml
@@ -25,7 +25,7 @@
 		<dependency>
 			<groupId>org.apache.lucene</groupId>
 			<artifactId>lucene-core</artifactId>
-			<version>4.9.0</version>
+			<version>7.1.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.lucene</groupId>