diff --git a/Jenkinsfile b/Jenkinsfile
index 6f680c4..73de8aa 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,7 +1,7 @@
 pipeline {
   agent {
     docker {
-      image 'node:18'
+      image 'node:20'
     }
   }
 
@@ -10,7 +10,7 @@ pipeline {
       steps {
         sh 'node -v'
         sh 'npm -v'
-        sh 'npm install'
+        sh 'npm ci'
       }
     }
 
@@ -27,9 +27,11 @@ pipeline {
     }
 
     stage('archiving') {
+      steps {
         script {
             archiveArtifacts artifacts: 'coverage/*/**'
         }
+      }
     }
 
     stage('clean-all') {