diff --git a/pom.xml b/pom.xml
index b9906cb8417d782e4e5705d32684e2381f6d10a6..f7a15e02ea65f125f18a6c21b4ba9e33da0f7764 100755
--- a/pom.xml
+++ b/pom.xml
@@ -34,6 +34,7 @@
         <spring-boot.version>2.3.3.RELEASE</spring-boot.version>
         <spring-security-oauth2-autoconfigure.version>2.2.2.RELEASE</spring-security-oauth2-autoconfigure.version>
         <log4j.version>2.17.1</log4j.version>
+        <tomcat.embed.version>9.0.56</tomcat.embed.version>
     </properties>
 
     <dependencyManagement>
@@ -54,6 +55,59 @@
         </dependencies>
     </dependencyManagement>
     <dependencies>
+        <dependency>
+            <artifactId>tomcat-embed-core</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>tomcat-annotations-api</artifactId>
+                    <groupId>org.apache.tomcat</groupId>
+                </exclusion>
+            </exclusions>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <version>${tomcat.embed.version}</version>
+        </dependency>
+        <dependency>
+            <artifactId>tomcat-embed-websocket</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>tomcat-embed-core</artifactId>
+                    <groupId>org.apache.tomcat.embed</groupId>
+                </exclusion>
+            </exclusions>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <version>${tomcat.embed.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-el</artifactId>
+            <version>${tomcat.embed.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>5.2.19.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-jdbc</artifactId>
+            <version>5.2.19.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-tx</artifactId>
+            <version>5.2.19.RELEASE</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mybatis</groupId>
+            <artifactId>mybatis</artifactId>
+            <version>3.5.9</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>5.3.25.Final</version>
+        </dependency>
         <dependency>
             <artifactId>netty-common</artifactId>
             <groupId>io.netty</groupId>
@@ -221,7 +275,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.1.13.RELEASE</version>
+            <version>5.2.19.RELEASE</version>
         </dependency>
         <!--dependency>
             <groupId>org.springframework</groupId>
@@ -236,14 +290,14 @@
             <version>2.10.5.1</version>
         </dependency>
         <dependency>
-          <artifactId>spring-web</artifactId>
-          <groupId>org.springframework</groupId>
-          <version>5.1.13.RELEASE</version>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <version>1.26</version>
         </dependency>
         <dependency>
           <artifactId>spring-aop</artifactId>
           <groupId>org.springframework</groupId>
-          <version>5.1.13.RELEASE</version>
+          <version>5.2.19.RELEASE</version>
         </dependency>
         <dependency>
           <groupId>org.junit.jupiter</groupId>
@@ -291,11 +345,6 @@
             <groupId>org.apache.tomcat.embed</groupId>
             <version>9.0.56</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-validation</artifactId>
-            <version>${spring-boot.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-jdbc</artifactId>
@@ -316,6 +365,12 @@
             <groupId>org.camunda.bpm.springboot</groupId>
             <artifactId>camunda-bpm-spring-boot-starter-webapp</artifactId>
             <version>${camunda.springboot.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.mybatis</groupId>
+                    <artifactId>mybatis</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>
@@ -323,11 +378,6 @@
             <version>1.4.199</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.yaml</groupId>
-            <artifactId>snakeyaml</artifactId>
-            <version>1.26</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -348,11 +398,7 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <dependency>
-            <artifactId>json-smart</artifactId>
-            <groupId>net.minidev</groupId>
-            <version>2.4.7</version>
-        </dependency>
+
         <!--log4j2 -->
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
@@ -383,12 +429,12 @@
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-core</artifactId>
-            <version>5.3.10.RELEASE</version>
+            <version>5.3.13.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-web</artifactId>
-            <version>5.3.8.RELEASE</version>
+            <version>5.3.13.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>
@@ -504,9 +550,14 @@
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-test</artifactId>
-            <version>5.3.10.RELEASE</version>
+            <version>5.3.13.RELEASE</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+            <version>5.2.19.RELEASE</version>
+        </dependency>
     </dependencies>
 
     <build>