diff --git a/pom.xml b/pom.xml
index 37617fc1..1ad08437 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
       <thymeleaf.tiles2.version>2.1.1.RELEASE</thymeleaf.tiles2.version>
       <thymeleaf-extras-tiles2-spring3.version>2.1.1.RELEASE</thymeleaf-extras-tiles2-spring3.version>
       <spring3.version>3.2.10.RELEASE</spring3.version>
-      <spring4.version>4.1.0.RELEASE</spring4.version>
+      <spring4.version>4.3.15.RELEASE</spring4.version>
       <jackson.version>1.9.13</jackson.version>
       <struts1.version>1.3.10</struts1.version>
       <struts2.version>2.1.8</struts2.version>