diff --git a/ontology/ontology-annotator/solr-ontology-updateprocessor/pom.xml b/ontology/ontology-annotator/solr-ontology-updateprocessor/pom.xml
index 8c0e4eb..716ad64 100644
--- a/ontology/ontology-annotator/solr-ontology-updateprocessor/pom.xml
+++ b/ontology/ontology-annotator/solr-ontology-updateprocessor/pom.xml
@@ -13,7 +13,7 @@
 		<!-- use UTF-8 for everything -->
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<solr.version>8.4.1</solr.version>
+		<solr.version>8.8.2</solr.version>
 		<owlapi.version>3.5.2</owlapi.version>
 		<!-- Jackson version 2.12 is incompatible with Solr 8.x -->
 		<jackson.version>2.10.1</jackson.version>