diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b7cdfa7..49c73b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,6 +32,8 @@ pylint:
 pypi-dev:
   stage: upload
   rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
     - if: '$CI_COMMIT_TAG !~ /^release-.*$/'
   script:
     - pip install -r requirements.txt
@@ -40,6 +42,8 @@ pypi-dev:
 pypi-stable:
   stage: upload
   rules:
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
+      when: never
     - if: '$CI_COMMIT_TAG =~ /^release-.*$/'
   script:
     - pyb -P version=${{ github.ref }} publish upload