diff --git a/guessnumber/pom.xml b/guessnumber/pom.xml
index 25e171b..2bbf7d4 100644
--- a/guessnumber/pom.xml
+++ b/guessnumber/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
-			<version>5.2.8.RELEASE</version>
+			<version>5.3.19</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
 		<dependency>