diff --git a/.github/workflows/build_publish.yml b/.github/workflows/build_publish.yml
index 171001f..13a219d 100644
--- a/.github/workflows/build_publish.yml
+++ b/.github/workflows/build_publish.yml
@@ -12,6 +12,7 @@ on:
 
 jobs:
   build:
+    if: startsWith(github.ref, 'refs/tags/release')
     runs-on: ubuntu-latest
     environment: release
     steps:
@@ -34,6 +35,7 @@ jobs:
           overwrite: true
 
   publish:
+    if: startsWith(github.ref, 'refs/tags/release')
     name: Publish to PyPI
     environment: release
     permissions: