diff --git a/jpa-example/pom.xml b/jpa-example/pom.xml
index 0d18eb5..ca8ca11 100644
--- a/jpa-example/pom.xml
+++ b/jpa-example/pom.xml
@@ -98,7 +98,7 @@
           <plugin>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-maven-plugin</artifactId>
-            <version>3.5.6</version>
+            <version>4.0.0</version>
           </plugin>
 
           <plugin>
diff --git a/jpa/pom.xml b/jpa/pom.xml
index 3f536d8..144f5bb 100644
--- a/jpa/pom.xml
+++ b/jpa/pom.xml
@@ -82,7 +82,7 @@
       <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
-        <version>3.5.6</version>
+        <version>4.0.0</version>
       </plugin>
 
     </plugins>
diff --git a/mongo-example/pom.xml b/mongo-example/pom.xml
index 5bec1c0..372979f 100644
--- a/mongo-example/pom.xml
+++ b/mongo-example/pom.xml
@@ -84,7 +84,7 @@
       <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
-        <version>3.5.6</version>
+        <version>4.0.0</version>
       </plugin>
 
     </plugins>
@@ -110,7 +110,7 @@
           <plugin>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-maven-plugin</artifactId>
-            <version>3.5.6</version>
+            <version>4.0.0</version>
           </plugin>
 
           <plugin>
diff --git a/mongo/pom.xml b/mongo/pom.xml
index 6e80cf6..786e4af 100644
--- a/mongo/pom.xml
+++ b/mongo/pom.xml
@@ -69,7 +69,7 @@
       <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
-        <version>3.5.6</version>
+        <version>4.0.0</version>
       </plugin>
 
     </plugins>
diff --git a/predicate/pom.xml b/predicate/pom.xml
index 42f2641..e243d2d 100644
--- a/predicate/pom.xml
+++ b/predicate/pom.xml
@@ -57,7 +57,7 @@
       <plugin>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-maven-plugin</artifactId>
-        <version>3.4.5</version>
+        <version>4.0.0</version>
       </plugin>
 
     </plugins>