diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0aee84e3c22484e0a8ee6747d226cabb6151825f..1466bc80dcb854663f751a4e34cef3ccefa12780 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -334,10 +334,12 @@ push core_sampler:
     - if: '$CI_COMMIT_TAG =~ /[0-9]+\.[0-9]+\.[0-9]+$/'
   before_script:
     - cd apps/cli/utilities/core_sampler
-    - pip install flit
+    - pip install poetry
     - pip install '.[deploy]'
   script:
-    - FLIT_INDEX_URL=${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/pypi FLIT_USERNAME=gitlab-ci-token FLIT_PASSWORD=${CI_JOB_TOKEN} flit publish
+    - poetry config repositories.gitlab "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/packages/pypi"
+    - poetry config http-basic.gitlab gitlab-ci-token "$CI_JOB_TOKEN"
+    - poetry publish --repository gitlab
 
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 # Clean Pipeline of Service and Web Images