diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7e7fd55..fd539bc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -29,6 +29,7 @@ jobs:
     - build
     runs-on: ubuntu-latest
 
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to TestPyPI on tag pushes
     environment:
       name: release
       url: https://test.pypi.org/p/clusttraj
@@ -98,6 +99,6 @@ jobs:
       # `dist/` contains the built packages, and the
       # sigstore-produced signatures and certificates.
       run: >-
-        gh release upload
+        gh release create
         '${{ github.ref_name }}' dist/**
         --repo '${{ github.repository }}'
diff --git a/clusttraj/__init__.py b/clusttraj/__init__.py
index 9ef4758..dbab531 100644
--- a/clusttraj/__init__.py
+++ b/clusttraj/__init__.py
@@ -1,6 +1,6 @@
 from .main import main
 
-__version__ = "0.1.1"
+__version__ = "0.1.2"
 
 __all__ = [
     "main",