diff --git a/pom.xml b/pom.xml
index 6f05d61..8c88f10 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-expression</artifactId>
-        <version>5.0.2.RELEASE</version>
+        <version>5.2.21.RELEASE</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
     <dependency>