diff --git a/core/pom.xml b/core/pom.xml
index 22db81be..1e45f535 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -29,7 +29,7 @@
       <cxf.version>3.0.3</cxf.version>
       <hibernate.version>3.6.10.Final</hibernate.version>
       <olingo.version>2.0.6-XmlFix</olingo.version>
-      <solr.version>5.5.3</solr.version>
+      <solr.version>8.4.0</solr.version>
       <spring.version>4.1.4.RELEASE</spring.version>
       <spring_security.version>3.2.5.RELEASE</spring_security.version>
       <log4j.version>2.6.2</log4j.version>