diff --git a/pom.xml b/pom.xml
index 1fc70856..e82355ff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.72</version>
+        <version>5.7</version>
         <relativePath />
     </parent>
 
@@ -43,9 +43,11 @@
     <properties>
         <revision>1.50</revision>
         <changelist>-SNAPSHOT</changelist>
-        <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
-        <jenkins.baseline>2.387</jenkins.baseline>
+        <jenkins.baseline>2.479</jenkins.baseline>
         <jenkins.version>${jenkins.baseline}.3</jenkins.version>
+        <!-- TODO until in BOM -->
+        <pipeline-model-definition.version>2.2247.va_423189a_7dff</pipeline-model-definition.version>
+        <useBeta>true</useBeta>
         <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
     </properties>
 
@@ -99,10 +101,36 @@
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
                 <artifactId>bom-${jenkins.baseline}.x</artifactId>
-                <version>2543.vfb_1a_5fb_9496d</version>
+                <version>4228.v0a_71308d905b_</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>
+            <dependency>
+                <groupId>org.jenkinsci.plugins</groupId>
+                <artifactId>pipeline-model-api</artifactId>
+                <version>${pipeline-model-definition.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.jenkinsci.plugins</groupId>
+                <artifactId>pipeline-model-definition</artifactId>
+                <version>${pipeline-model-definition.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.jenkinsci.plugins</groupId>
+                <artifactId>pipeline-model-definition</artifactId>
+                <version>${pipeline-model-definition.version}</version>
+                <classifier>tests</classifier>
+            </dependency>
+            <dependency>
+                <groupId>org.jenkinsci.plugins</groupId>
+                <artifactId>pipeline-model-extensions</artifactId>
+                <version>${pipeline-model-definition.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.jenkinsci.plugins</groupId>
+                <artifactId>pipeline-stage-tags-metadata</artifactId>
+                <version>${pipeline-model-definition.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 
@@ -115,7 +143,6 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>aws-credentials</artifactId>
-            <version>231.v08a_59f17d742</version>
         </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
diff --git a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSLauncher.java b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSLauncher.java
index 10e6e3cf..ab4656b6 100644
--- a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSLauncher.java
+++ b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/ECSLauncher.java
@@ -69,7 +69,7 @@ public class ECSLauncher extends JNLPLauncher {
     private final ECSCloud cloud;
     private final ECSService ecsService;
     private boolean launched;
-    private final int maxAttempts = 2;
+    private static final int maxAttempts = 2;
 
     private static final List<String> FARGATE_RETRYABLE_MESSAGES = ImmutableList.of(
             "Timeout waiting for network interface provisioning to complete"
diff --git a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgent.java b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgent.java
index 654b364a..30c05759 100644
--- a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgent.java
+++ b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgent.java
@@ -5,6 +5,7 @@
 import org.jenkinsci.Symbol;
 import org.jenkinsci.plugins.pipeline.modeldefinition.agent.DeclarativeAgent;
 import org.jenkinsci.plugins.pipeline.modeldefinition.agent.DeclarativeAgentDescriptor;
+import org.jenkinsci.plugins.pipeline.modeldefinition.parser.CompatibilityLoader;
 import org.kohsuke.stapler.DataBoundConstructor;
 import org.kohsuke.stapler.DataBoundSetter;
 import org.jenkinsci.plugins.variant.OptionalExtension;
@@ -20,6 +21,7 @@
 import com.cloudbees.jenkins.plugins.amazonecs.ECSTaskTemplate.PortMappingEntry;
 import com.cloudbees.jenkins.plugins.amazonecs.ECSTaskTemplate.Tag;
 
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -535,4 +537,14 @@ public String getDisplayName() {
             return "ECS Agent";
         }
     }
+
+    @OptionalExtension(requirePlugins = "pipeline-model-extensions")
+    public static final class Compat implements CompatibilityLoader {
+        @Override
+        public URL loadGroovySource(String clazz) {
+            return "com.cloudbees.jenkins.plugins.amazonecs.pipeline.ECSDeclarativeAgentScript".equals(clazz)
+                    ? ECSDeclarativeAgent.class.getResource("ECSDeclarativeAgentScript-old.groovy")
+                    : null;
+        }
+    }
 }
diff --git a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSTaskTemplateStep.java b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSTaskTemplateStep.java
index 4029b87a..3e8ec4ad 100644
--- a/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSTaskTemplateStep.java
+++ b/src/main/java/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSTaskTemplateStep.java
@@ -47,7 +47,7 @@ public class ECSTaskTemplateStep extends Step implements Serializable {
     private static final long serialVersionUID = 1L;
     private static final Logger LOGGER = Logger.getLogger(ECSTaskTemplateStep.class.getName());
 
-    private final String DEFAULT_CLOUD = "cloud-default";
+    private static final String DEFAULT_CLOUD = "cloud-default";
     private final String label;
     private final String name;
     private String cloud = DEFAULT_CLOUD;
diff --git a/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript-old.groovy b/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript-old.groovy
new file mode 100644
index 00000000..cd02ddaa
--- /dev/null
+++ b/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript-old.groovy
@@ -0,0 +1,60 @@
+/*
+ * The MIT License
+ *
+ * Copyright (c) 2016, CloudBees, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.cloudbees.jenkins.plugins.amazonecs.pipeline
+
+import hudson.model.Result
+import org.jenkinsci.plugins.pipeline.modeldefinition.SyntheticStageNames
+import org.jenkinsci.plugins.pipeline.modeldefinition.agent.CheckoutScript
+import org.jenkinsci.plugins.pipeline.modeldefinition.agent.DeclarativeAgentScript
+import org.jenkinsci.plugins.workflow.cps.CpsScript
+import org.apache.commons.lang.RandomStringUtils;
+
+
+public class ECSDeclarativeAgentScript extends DeclarativeAgentScript<ECSDeclarativeAgent> {
+    public ECSDeclarativeAgentScript(CpsScript s, ECSDeclarativeAgent a) {
+        super(s, a)
+    }
+
+    @Override
+    public Closure run(Closure body) {
+        return {
+            try {
+                if (describable.label == null || describable.label == "") {
+                    String projectName = script.getProperty("currentBuild").projectName.toLowerCase().replaceAll("[^a-z-]", "-")
+                    String number = script.getProperty("currentBuild").number
+                    String label = projectName + "-" + number + "-" + RandomStringUtils.random(5, "bcdfghjklmnpqrstvwxz0123456789");
+                    describable.setLabel(label)
+                }
+                script.ecsTaskTemplate(describable.asArgs) {
+                    script.node(describable.label) {
+                        CheckoutScript.doCheckout(script, describable, null, body).call()
+                    }
+                }
+            } catch (Exception e) {
+                script.getProperty("currentBuild").result = Result.FAILURE
+                throw e
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript.groovy b/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript.groovy
index cd02ddaa..d2752766 100644
--- a/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript.groovy
+++ b/src/main/resources/com/cloudbees/jenkins/plugins/amazonecs/pipeline/ECSDeclarativeAgentScript.groovy
@@ -26,35 +26,33 @@ package com.cloudbees.jenkins.plugins.amazonecs.pipeline
 import hudson.model.Result
 import org.jenkinsci.plugins.pipeline.modeldefinition.SyntheticStageNames
 import org.jenkinsci.plugins.pipeline.modeldefinition.agent.CheckoutScript
-import org.jenkinsci.plugins.pipeline.modeldefinition.agent.DeclarativeAgentScript
+import org.jenkinsci.plugins.pipeline.modeldefinition.agent.DeclarativeAgentScript2
 import org.jenkinsci.plugins.workflow.cps.CpsScript
 import org.apache.commons.lang.RandomStringUtils;
 
 
-public class ECSDeclarativeAgentScript extends DeclarativeAgentScript<ECSDeclarativeAgent> {
+public class ECSDeclarativeAgentScript extends DeclarativeAgentScript2<ECSDeclarativeAgent> {
     public ECSDeclarativeAgentScript(CpsScript s, ECSDeclarativeAgent a) {
         super(s, a)
     }
 
     @Override
-    public Closure run(Closure body) {
-        return {
-            try {
-                if (describable.label == null || describable.label == "") {
-                    String projectName = script.getProperty("currentBuild").projectName.toLowerCase().replaceAll("[^a-z-]", "-")
-                    String number = script.getProperty("currentBuild").number
-                    String label = projectName + "-" + number + "-" + RandomStringUtils.random(5, "bcdfghjklmnpqrstvwxz0123456789");
-                    describable.setLabel(label)
-                }
-                script.ecsTaskTemplate(describable.asArgs) {
-                    script.node(describable.label) {
-                        CheckoutScript.doCheckout(script, describable, null, body).call()
-                    }
+    public void run(Closure body) {
+        try {
+            if (describable.label == null || describable.label == "") {
+                String projectName = script.getProperty("currentBuild").projectName.toLowerCase().replaceAll("[^a-z-]", "-")
+                String number = script.getProperty("currentBuild").number
+                String label = projectName + "-" + number + "-" + RandomStringUtils.random(5, "bcdfghjklmnpqrstvwxz0123456789");
+                describable.setLabel(label)
+            }
+            script.ecsTaskTemplate(describable.asArgs) {
+                script.node(describable.label) {
+                    CheckoutScript.doCheckout2(script, describable, null, body)
                 }
-            } catch (Exception e) {
-                script.getProperty("currentBuild").result = Result.FAILURE
-                throw e
             }
+        } catch (Exception e) {
+            script.getProperty("currentBuild").result = Result.FAILURE
+            throw e
         }
     }
 }
\ No newline at end of file