diff --git a/pom.xml b/pom.xml
index 251eba6..29ee037 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
   <properties>
     <jetty.version>9.4.17.v20190418</jetty.version>
-    <spring.version>5.1.6.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
   </properties>
 
   <dependencies>