diff --git a/Jenkinsfile b/Jenkinsfile
index cebd959e1..0d56f7476 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -70,7 +70,7 @@ pipeline {
                 stage('Frontend') {
                     steps {
                         nodejs('node-lts') {
-                            sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=2'
+                            sh 'jest --ci --reporters=default --reporters=jest-junit --maxWorkers=1'
                         }
                     }
                 }