diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index fe950ef..16b61fa 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -21,6 +21,9 @@ on:
         type: boolean
         default: false
 
+defaults:
+  run:
+    shell: bash
 jobs:
   create-sdist:
     runs-on: ubuntu-latest