diff --git a/pom.xml b/pom.xml
index b459803..45fc031 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
     <dependency>
       <groupId>org.apache.solr</groupId>
       <artifactId>solr-core</artifactId>
-      <version>7.7.2</version>
+      <version>8.4.0</version>
       <exclusions>
         <exclusion>
           <artifactId>wstx-asl</artifactId>