diff --git a/jenkins/verifier-trigger.groovy b/jenkins/verifier-trigger.groovy
new file mode 100644
index 0000000..30fcd35
--- /dev/null
+++ b/jenkins/verifier-trigger.groovy
@@ -0,0 +1,59 @@
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import com.cloudbees.groovy.cps.NonCPS
+import groovy.json.JsonSlurper
+import java.text.SimpleDateFormat
+import java.util.concurrent.TimeUnit
+
+class Globals {
+    static final def gerrit = "https://gerrit-review.googlesource.com/"
+    static final def maxChanges = 500
+    static final def pollMinutes = 5
+    static final def tsFormat = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss.S Z")
+    static final def hookUrl = "${env.JENKINS_URL}gerrit-webhook/"
+}
+
+import static Globals.*
+
+@NonCPS
+def listChangedProjects() {
+    def lastBuild = currentBuild.rawBuild.getPreviousSuccessfulBuild()
+    def lastBuildStartTimeMillis = lastBuild == null ?
+            (System.currentTimeMillis() - TimeUnit.MINUTES.toMillis(pollMinutes * 2)) : lastBuild.getStartTimeInMillis()
+    def sinceMillis = lastBuildStartTimeMillis - TimeUnit.MINUTES.toMillis(pollMinutes)
+    def since = tsFormat.format(new Date(sinceMillis))
+
+    if (lastBuild != null) {
+        println "Last successful build was " + lastBuild.toString()
+    }
+    println "Querying Gerrit for last modified changes since ${since} ..."
+
+    def gerritQuery = "status:open since:\"${since}\""
+    def queryUrl = new URL("${gerrit}changes/?pp=0&n=${maxChanges}&q=${gerritQuery.encodeURL()}")
+    def changes = queryUrl.getText().substring(5)
+    def jsonSlurper = new JsonSlurper()
+    def changesJson = jsonSlurper.parseText(changes)
+    return changesJson.collect { it.project } as Set
+}
+
+node('master') {
+    listChangedProjects().each { project ->
+        stage("${project}") {
+            def jsonPayload = '{"project":{"name":"' + project +
+                    '"}, "type":"patchset-created"}'
+            sh "curl -d '${jsonPayload}' $hookUrl"
+        }
+    }
+}
diff --git a/jenkins/verifier-trigger.yaml b/jenkins/verifier-trigger.yaml
new file mode 100644
index 0000000..2a8e6eb
--- /dev/null
+++ b/jenkins/verifier-trigger.yaml
@@ -0,0 +1,16 @@
+- job:
+    name: 'verifier-trigger'
+    project-type: pipeline
+    concurrent: false
+    node: master
+    triggers:
+      - timed: 'H/5 * * * *'
+    properties:
+      - build-discarder:
+          days-to-keep: 1
+      - authorization:
+          anonymous:
+            - job-discover
+            - job-read
+            - job-extended-read
+    dsl: !include-raw: verifier-trigger.groovy