diff --git a/external-libs/pom.xml b/external-libs/pom.xml
index 7182670..62adad4 100644
--- a/external-libs/pom.xml
+++ b/external-libs/pom.xml
@@ -11,7 +11,7 @@
   <packaging>war</packaging>
   
   <properties>
-    <spring.version>3.1.0.RELEASE</spring.version>
+    <spring.version>5.2.20.RELEASE</spring.version>
     <org.slf4j-version>1.6.2</org.slf4j-version>
   </properties>