diff --git a/Jenkinsfile b/Jenkinsfile
index 186fe31e0..d411ddb22 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -41,7 +41,7 @@ pipeline {
             }
             steps {
                 nodejs('node-v12') {
-                    sh 'npm install --no-audit'
+                    sh 'npm install --no-audit --prefer-offline'
                     sh 'gulp install --ci'
                 }
             }