diff --git a/Jenkinsfile b/Jenkinsfile
index c09eb753c..f105ebf4a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -13,5 +13,17 @@ pipeline {
                 """
             }
         }
+        stage('phpstan') {
+            steps {
+                sh """
+                # php -d memory_limit=-1 ....
+                docker run --rm \
+                    --volumes-from jenkins-docker_app_1 \
+                    --workdir ${env.WORKSPACE} \
+                    php:8.1-cli \
+                    php -d memory_limit=-1 ./vendor/bin/phpstan --memory-limit=2G
+                """
+            }
+        }
     }
 }