diff --git a/sequence/xjoin/pom.xml b/sequence/xjoin/pom.xml
index 9b9377b4..198efc6c 100644
--- a/sequence/xjoin/pom.xml
+++ b/sequence/xjoin/pom.xml
@@ -14,7 +14,7 @@
     <dependency>
       <groupId>org.apache.solr</groupId>
       <artifactId>solr-core</artifactId>
-      <version>7.2.1</version>
+      <version>8.8.2</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/net.minidev/json-smart -->