diff --git a/pom.xml b/pom.xml
index 4b1f57c..615aab6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -237,7 +237,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>2.5</version>
+            <version>4.3.19.RELEASE</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/org.apache.flex.blazeds/flex-messaging-proxy -->
         <dependency>