diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 51c4402..fa8bf3a
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <solr_version>7.4.0</solr_version>
+        <solr_version>8.8.2</solr_version>
 		<maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
     </properties>