diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 841a080..7d7f388 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,8 @@ extract_client_definition:
           echo "no server url set"
           exit -1
           fi
-        - sed -i -e 's,\(openapi:[[:space:]][[:digit:]]\.[[:digit:]]\.[[:digit:]]\),\1\nservers:\n  - url:'' '$URL'\n,' ws.json
+        - cat ws.json | jq 'setpath(["servers", 0, "url"]; "'$URL'")' > ws.json-new
+        - rm ws.json && mv ws.json-new ws.json
 
 .deploy_test_dev:
     extends: .deploy