<groupId>org.apache.tomcat.embed</groupId>
       <artifactId>tomcat-embed-core</artifactId>
     </dependency>
-    <dependency>
-      <groupId>org.codehaus.jackson</groupId>
-      <artifactId>jackson-mapper-asl</artifactId>
-    </dependency>
     <dependency>
       <groupId>org.webjars</groupId>
       <artifactId>bootstrap</artifactId>
 
   <name>oparent/dependencies</name>
   <packaging>pom</packaging>
   <properties>
-    <spring.version>5.2.1.RELEASE</spring.version>
+    <spring.version>5.2.6.RELEASE</spring.version>
     <jetty.version>9.4.24.v20191120</jetty.version>
   </properties>
   <dependencyManagement>
       <dependency>
         <groupId>org.apache.tomcat.embed</groupId>
         <artifactId>tomcat-embed-core</artifactId>
-        <version>9.0.30</version>
-      </dependency>
-      <dependency>
-        <groupId>org.codehaus.jackson</groupId>
-        <artifactId>jackson-mapper-asl</artifactId>
-        <version>1.9.13</version>
+        <version>9.0.33</version>
       </dependency>
       <dependency>
         <groupId>org.webjars</groupId>