diff --git a/pom.xml b/pom.xml
index 9dc108d..4fa7c28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-core</artifactId>
-      <version>5.2.2.RELEASE</version>
+      <version>5.3.18</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
     <dependency>