diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index 943070a..b85cd41
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
         <targetJdk>1.8</targetJdk>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <log4j.version>1.2.17</log4j.version>
-        <spring.version>4.2.0.RELEASE</spring.version>
+        <spring.version>5.3.18</spring.version>
         <spring.security.version>4.0.2.RELEASE</spring.security.version>
         <httpclient.version>4.3.5</httpclient.version>
         <geotools.version>16.2</geotools.version>