diff --git a/pom.xml b/pom.xml
index cad5212..28fe528 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
     <junit.jupiter.version>5.6.2</junit.jupiter.version>
-    <spring.version>5.2.7.RELEASE</spring.version>
+    <spring.version>5.2.21.RELEASE</spring.version>
     <jersey.version>2.31</jersey.version>
   </properties>
 
@@ -160,7 +160,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-expression</artifactId>
-      <version>5.2.7.RELEASE</version>
+      <version>5.2.21.RELEASE</version>
     </dependency>
 
     <!-- https://mvnrepository.com/artifact/org.springframework/spring-jms -->