diff --git a/pom.xml b/pom.xml
index 169e61b..b9c6aef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>org.apache.lucene</groupId>
             <artifactId>lucene-core</artifactId>
-            <version>4.0.0</version>
+            <version>7.1.0</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>