diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bfc89ff6dc3c0c788de1e4e42cc4f46f8dba4f73..83a806c5a520225ee79114fa3c2aa3be54da7602 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ build-esap-gui:
     image: docker:latest
     stage: build
     before_script:
-      - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install npm -y )'
+      - 'command -v ssh-agent >/dev/null || ( apt-get update -y && apt-get install yarn npm -y )'
     script:
       - echo "Building deploy package"
       - yarn install