diff --git a/pom.xml b/pom.xml
index 918cfd7..a7c777d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<spring.version>4.0.5.RELEASE</spring.version>
+		<spring.version>5.2.21.RELEASE</spring.version>
 
 		<commons.lang.version>2.4</commons.lang.version>
 		<commons.lang3.version>3.1</commons.lang3.version>