diff --git a/2021-02/spring-30/spring-30-exercise/pom.xml b/2021-02/spring-30/spring-30-exercise/pom.xml
index 8fae6278..0c527020 100644
--- a/2021-02/spring-30/spring-30-exercise/pom.xml
+++ b/2021-02/spring-30/spring-30-exercise/pom.xml
@@ -10,8 +10,8 @@
 
     <parent>
         <groupId>org.springframework.boot</groupId>
-        <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.3.RELEASE</version>
+        <artifac5Id>spring-boot-starter-parent</artifac5Id>
+        <version>2.5.1</version>
     </parent>
 
     <properties>
diff --git a/2021-02/spring-30/spring-30-solution/pom.xml b/2021-02/spring-30/spring-30-solution/pom.xml
index d2b196f5..6e7d52d8 100644
--- a/2021-02/spring-30/spring-30-solution/pom.xml
+++ b/2021-02/spring-30/spring-30-solution/pom.xml
@@ -11,7 +11,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.3.RELEASE</version>
+        <version>2.5.1</version>
     </parent>
 
     <properties>