diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ea69425..2ac4179 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,7 @@
 build-deploy:       # This job runs in the build stage, which runs first.
     image: python:latest
+    rules:
+        - if: $CI_COMMIT_TAG
     variables:
         TWINE_USERNAME: gitlab-ci-token
         TWINE_PASSWORD: $CI_JOB_TOKEN