diff --git a/Jenkinsfile b/Jenkinsfile
index 72b958bc..79437690 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,5 @@
 buildPlugin(configurations: [
   [ platform: "linux", jdk: "8", jenkins: null ],
   [ platform: "windows", jdk: "8", jenkins: null ],
-  [ platform: "linux", jdk: "11", jenkins: "2.222.3" ]
+  [ platform: "linux", jdk: "11", jenkins: null ]
 ])
diff --git a/pom.xml b/pom.xml
index de2bf95f..2712d2a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.1</version>
+        <version>4.15</version>
         <relativePath />
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>
@@ -64,7 +64,7 @@
     <properties>
         <revision>3.8</revision>
         <changelist>-SNAPSHOT</changelist>
-        <jenkins.version>2.176.4</jenkins.version>
+        <jenkins.version>2.222.4</jenkins.version>
         <java.level>8</java.level>
         <no-test-jar>false</no-test-jar>
         <useBeta>true</useBeta>
@@ -74,8 +74,8 @@
         <dependencies>
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
-                <artifactId>bom-2.176.x</artifactId>
-                <version>16</version>
+                <artifactId>bom-2.222.x</artifactId>
+                <version>21</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>
@@ -115,11 +115,6 @@
             <artifactId>mockito-core</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.jenkins-ci.plugins</groupId>
-            <artifactId>structs</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins.workflow</groupId>
             <artifactId>workflow-cps</artifactId>
@@ -162,16 +157,6 @@
             <classifier>tests</classifier>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.jenkins-ci.plugins</groupId>
-            <artifactId>mailer</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.jenkins-ci.plugins</groupId>
-            <artifactId>junit</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>pipeline-build-step</artifactId>