diff --git a/pom.xml b/pom.xml
index 28beb52..e6df88e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,8 +15,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <license-plugin-version>1.20</license-plugin-version>
-    <slf4j.version>1.7.24</slf4j.version>
+    <license-plugin-version>2.0.0</license-plugin-version>
+    <slf4j.version>1.7.35</slf4j.version>
   </properties>
 
   <distributionManagement>
@@ -34,9 +34,29 @@
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>3.0.0</version>
+        <executions>
+          <execution>
+            <id>enforce-maven</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireMavenVersion>
+                  <version>3.5.4</version>
+                </requireMavenVersion>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.8.1</version>
+        <version>3.9.0</version>
         <configuration>
           <source>1.8</source>
           <target>1.8</target>
@@ -53,7 +73,7 @@
       <plugin>
         <groupId>com.github.spotbugs</groupId>
         <artifactId>spotbugs-maven-plugin</artifactId>
-        <version>4.0.4</version>
+        <version>4.5.3.0</version>
         <configuration>
           <effort>Max</effort>
           <threshold>Low</threshold>
@@ -85,7 +105,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-gpg-plugin</artifactId>
-          <version>1.6</version>
+          <version>3.0.1</version>
           <configuration>
             <gpgArguments>
               <arg>--pinentry-mode</arg>
@@ -103,7 +123,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.2.1</version>
           <executions>
             <execution>
               <goals>
@@ -115,7 +135,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <version>3.1.0</version>
+          <version>3.3.1</version>
           <executions>
             <execution>
               <goals>
@@ -138,6 +158,34 @@
             <stagingProfileId>2f4e6a35b09f57</stagingProfileId>
           </configuration>
         </plugin>
+        <plugin>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.1.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>3.0.0-M2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>3.0.0-M1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.2.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.2.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-site-plugin</artifactId>
+          <version>3.10.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>3.0.0-M5</version>
+        </plugin>
       </plugins>
     </pluginManagement>
   </build>
@@ -235,7 +283,7 @@
     <dependency>
       <groupId>org.projectlombok</groupId>
       <artifactId>lombok</artifactId>
-      <version>1.18.18</version>
+      <version>1.18.22</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -246,42 +294,42 @@
     <dependency>
       <groupId>commons-io</groupId>
       <artifactId>commons-io</artifactId>
-      <version>2.8.0</version>
+      <version>2.11.0</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpmime</artifactId>
-      <version>4.5.10</version>
+      <version>4.5.13</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.10.8</version>
+      <version>2.13.1</version>
     </dependency>
   
     <!-- test -->
     <dependency>
       <groupId>com.github.tomakehurst</groupId>
       <artifactId>wiremock-jre8</artifactId>
-      <version>2.23.2</version>
+      <version>2.32.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>
       <artifactId>hamcrest</artifactId>
-      <version>2.1</version>
+      <version>2.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.xmlunit</groupId>
       <artifactId>xmlunit-core</artifactId>
-      <version>2.6.3</version>
+      <version>2.9.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.xmlunit</groupId>
       <artifactId>xmlunit-matchers</artifactId>
-      <version>2.6.3</version>
+      <version>2.9.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>
@@ -290,6 +338,11 @@
       <version>${slf4j.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.13.2</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
-
 </project>