diff --git a/pom.xml b/pom.xml
index 45c38eb..4bc3fcb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,7 +111,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-expression</artifactId>
-			<version>4.2.0.RELEASE</version>
+			<version>5.2.21.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>