diff --git a/frontend/.gitlab-ci.yml b/frontend/.gitlab-ci.yml
index a520bed..6cfda49 100644
--- a/frontend/.gitlab-ci.yml
+++ b/frontend/.gitlab-ci.yml
@@ -10,6 +10,7 @@ build_frontend:
   script:
     - |
       cd frontend
+      echo "NEXT_PUBLIC_HCAPTCHA_SITE_KEY=$HCAPTCHA_SITE_KEY" > .env
       npm install
       npx next build
   artifacts: