diff --git a/pom.xml b/pom.xml
index c245e12..c9b75a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,7 +85,7 @@
     </distributionManagement>
 
     <properties>
-        <spring.version>3.1.1.RELEASE</spring.version>
+        <spring.version>5.2.20.RELEASE</spring.version>
         <slf4j.version>1.6.4</slf4j.version>
         <jaxb.version>2.1</jaxb.version>
         <jackson-json.version>1.9.4</jackson-json.version>