diff --git a/radplanbio-core/pom.xml b/radplanbio-core/pom.xml
old mode 100755
new mode 100644
index 98254d0..7a0a330
--- a/radplanbio-core/pom.xml
+++ b/radplanbio-core/pom.xml
@@ -31,7 +31,7 @@
 		<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -->
 		<maven-celerio-plugin.outputDir>${project.basedir}</maven-celerio-plugin.outputDir>
 		<hibernate.version>4.3.11.Final</hibernate.version>
-		<spring.version>4.3.18.RELEASE</spring.version><!--old 4.1.6.RELEASE new 4.3.18.RELEASE-->
+		<spring.version>5.2.20.RELEASE</spring.version><!--old 4.1.6.RELEASE new 4.3.18.RELEASE-->
 		<spring-security.version>4.1.5.RELEASE</spring-security.version><!--old 3.2.7.RELEASE new 4.1.1.RELEASE-->
 		<spring-ldap.version>1.3.2.RELEASE</spring-ldap.version>
 		<slf4j.version>1.5.10</slf4j.version>