diff --git a/.github/workflows/pydna_test_pypi_build_workflow.yml b/.github/workflows/pydna_test_pypi_build_workflow.yml
index 1b5f19c1..63ecfd7a 100644
--- a/.github/workflows/pydna_test_pypi_build_workflow.yml
+++ b/.github/workflows/pydna_test_pypi_build_workflow.yml
@@ -1,7 +1,8 @@
 # Should only run from the testpypi branch
 name: Build for TESTPyPI
 on:
-  push:
+  release:
+    types: [published]
     branches:
       - testpypi
 jobs: