diff --git a/pom.xml b/pom.xml
index ea8d6e0..b92637d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.apache.solr</groupId>
             <artifactId>solr-core</artifactId>
-            <version>6.6.2</version>
+            <version>8.4.0</version>
             <!--<scope>provided</scope>-->
         </dependency>
         <dependency>