diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c8611fe964458fe3775679f7f92b96df8d59e103..88dbca6acb937688cbdb6068458df04a3b5b2ee8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ build-openapi-scheme:
     OPENAPI_JSON: ./public/api.json
   before_script:
     - apk add gcc musl-dev zlib-dev jpeg-dev libmagic openldap-dev
-    - pip install poetry==1.3.2
+    - pip install poetry==1.4.0
     - poetry install --without dev,test --no-root
   script:
     - mkdir public