diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5d4a50d..a5b9ccb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,7 @@ services:
 before_script:
   - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   - source environment
+  - ulimit -n 90000
   - docker pull "$CI_REGISTRY_IMAGE" || true
   - >
       docker build