diff --git a/Lucas/pom.xml b/Lucas/pom.xml
index 2df7db3..01c6cf9 100644
--- a/Lucas/pom.xml
+++ b/Lucas/pom.xml
@@ -64,7 +64,7 @@
     <dependency>
       <groupId>org.apache.lucene</groupId>
       <artifactId>lucene-core</artifactId>
-      <version>2.9.3</version>     
+      <version>7.1.0</version>     
     </dependency>
     <dependency>
       <groupId>log4j</groupId>