diff --git a/pom.xml b/pom.xml
index 15d7e25..d32af76 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,7 +20,7 @@
         <maven.build.timestamp.format>yyyy-MM-dd'T'HHmm</maven.build.timestamp.format>
 
         <h2.version>1.3.172</h2.version>
-        <spring.version>4.1.6.RELEASE</spring.version>
+        <spring.version>5.3.5</spring.version>
         <spring.security.version>4.0.2.RELEASE</spring.security.version>
         <thymeleaf.version>2.1.4.RELEASE</thymeleaf.version>
         <jclouds.version>1.9.1</jclouds.version>