diff --git a/SWBSocialModel/pom.xml b/SWBSocialModel/pom.xml
index e6d38d96c..f2473c161 100644
--- a/SWBSocialModel/pom.xml
+++ b/SWBSocialModel/pom.xml
@@ -118,7 +118,7 @@
         <dependency>
             <groupId>org.apache.lucene</groupId>
             <artifactId>lucene-core</artifactId>
-            <version>3.6.2</version>
+            <version>7.1.0</version>
         </dependency>
         <dependency>
             <groupId>com.cybozu.labs</groupId>