diff --git a/pom.xml b/pom.xml
index 9ecd95836..07f36b905 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
         <scala.version>2.10.7</scala.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <org.springframework.version>4.3.24.RELEASE</org.springframework.version>
-        <solr.version>6.6.5</solr.version>
+        <solr.version>8.4.1</solr.version>
         <jts.version>1.13</jts.version>
         <jackson.version>2.9.8</jackson.version>
         <gt.version>11.1</gt.version>