diff --git a/Jenkinsfile b/Jenkinsfile
index 64f44f6208..a3325ac77a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -26,12 +26,23 @@ pipeline {
         TIMEOUT             = '120m'
     }
     stages {
+        stage('pr-hack') {
+            when { changeRequest() }
+            steps {
+                script {
+                    echo "Workaround for PR auto-cancel feature. Borrowed from https://issues.jenkins-ci.org/browse/JENKINS-43353"
+                    def buildNumber = env.BUILD_NUMBER as int
+                    if (buildNumber > 1) milestone(buildNumber - 1)
+                    milestone(buildNumber)
+                }
+            }
+        }
         stage('DCO-check') {
             when {
                 beforeAgent true
                 expression { !params.skip_dco }
             }
-            agent { label 'linux' }
+            agent { label 'amd64 && ubuntu-1804 && overlay2' }
             steps {
                 sh '''
                 docker run --rm \