diff --git a/pom.xml b/pom.xml
index 253d854..27d6785 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <spring.version>4.1.7.RELEASE</spring.version>
+        <spring.version>5.2.21.RELEASE</spring.version>
         <slf4j.version>1.7.12</slf4j.version>
     </properties>