diff --git a/.gitlab-ci-local-env b/.gitlab-ci-local-env
index 3ddfc3f0aca75e93c6ef3282d0959cca09ec0568..15d6b78fd9a6bf8e060cfca2babe173e30fc6f0a 100644
--- a/.gitlab-ci-local-env
+++ b/.gitlab-ci-local-env
@@ -1,4 +1,5 @@
 PRIVILEGED=1
+CONCURRENCY=1
 ULIMIT=8000:16000
 VOLUME=certs:/certs/client
-VARIABLE="DOCKER_TLS_CERTDIR=/certs"
\ No newline at end of file
+VARIABLE="DOCKER_TLS_CERTDIR=/certs"