diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index ac26998..338cc0f 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v7
-      - uses: hynek/build-and-inspect-python-package@v2
+      - uses: hynek/build-and-inspect-python-package@v2.18.0
 
   deploy:
     # this will run when you have tagged a commit, starting with "v*"