<parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.0.4.RELEASE</version>
+        <version>2.1.3.RELEASE</version>
     </parent>
     <dependencyManagement>
         <dependencies>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
-            <exclusions>
-                 <exclusion>
-                       <groupId>org.springframework</groupId>
-                       <artifactId>spring-web</artifactId>
-                  </exclusion>
-            </exclusions>
-        </dependency>
-        <dependency>
-                <groupId>org.springframework</groupId>
-                <artifactId>spring-web</artifactId>
-                <version>5.0.10.RELEASE</version>
+            <version>2.1.3.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
+            <version>2.9.8</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
+            <version>2.9.8</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
+            <version>2.9.8</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>