diff --git a/pom.xml b/pom.xml
index 21c5cd7..3730204 100644
--- a/pom.xml
+++ b/pom.xml
@@ -81,7 +81,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-expression</artifactId>
-      <version>4.0.9.RELEASE</version>
+      <version>5.2.21.RELEASE</version>
     </dependency>
     <dependency>
       <groupId>org.springframework</groupId>