diff --git a/pom.xml b/pom.xml
index f0ab018..096216c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <lucene-solr-version>6.5.1</lucene-solr-version>
+    <lucene-solr-version>8.4.1</lucene-solr-version>
   </properties>
 
   <build>