diff --git a/pom.xml b/pom.xml
index 3dc2bdcc..9f07df78 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,6 +59,16 @@
     <java.level>8</java.level>
   </properties>
 
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.jenkins-ci</groupId>
+        <artifactId>annotation-indexer</artifactId>
+        <version>1.11</version>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
   <dependencies>
     <dependency>
       <groupId>commons-httpclient</groupId>
@@ -80,6 +90,11 @@
       <artifactId>credentials</artifactId>
       <version>2.1.5</version>
     </dependency>
+    <dependency>
+      <groupId>org.jenkins-ci</groupId>
+      <artifactId>symbol-annotation</artifactId>
+      <version>1.5</version>
+    </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
diff --git a/src/main/java/stashpullrequestbuilder/stashpullrequestbuilder/StashBuildTrigger.java b/src/main/java/stashpullrequestbuilder/stashpullrequestbuilder/StashBuildTrigger.java
index 18baef86..fbdf8009 100644
--- a/src/main/java/stashpullrequestbuilder/stashpullrequestbuilder/StashBuildTrigger.java
+++ b/src/main/java/stashpullrequestbuilder/stashpullrequestbuilder/StashBuildTrigger.java
@@ -40,6 +40,7 @@
 import jenkins.model.Jenkins;
 import net.sf.json.JSONObject;
 import org.apache.commons.lang.StringUtils;
+import org.jenkinsci.Symbol;
 import org.kohsuke.stapler.AncestorInPath;
 import org.kohsuke.stapler.DataBoundConstructor;
 import org.kohsuke.stapler.DataBoundSetter;
@@ -73,9 +74,6 @@ public class StashBuildTrigger extends Trigger<AbstractProject<?, ?>> {
 
   private transient StashPullRequestsBuilder stashPullRequestsBuilder;
 
-  @Extension
-  public static final StashBuildTriggerDescriptor descriptor = new StashBuildTriggerDescriptor();
-
   @DataBoundConstructor
   public StashBuildTrigger(
       String projectPath,
@@ -331,6 +329,8 @@ public boolean isOnlyBuildOnComment() {
     return onlyBuildOnComment;
   }
 
+  @Extension
+  @Symbol("stashPullRequestBuilder")
   public static final class StashBuildTriggerDescriptor extends TriggerDescriptor {
     public StashBuildTriggerDescriptor() {
       load();