diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 890ff25..b46eab9 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.2
+current_version = 0.6.3
 files = setup.py parse_type/__init__.py .bumpversion.cfg
 commit = False
 tag = False
diff --git a/.github/workflows/release-to-testpypi.yml b/.github/workflows/release-to-testpypi.yml
index 40924ac..97a788c 100644
--- a/.github/workflows/release-to-testpypi.yml
+++ b/.github/workflows/release-to-testpypi.yml
@@ -15,7 +15,7 @@
 #   * https://github.com/actions/starter-workflows/blob/main/ci/python-publish.yml
 
 # -- STATE: PREPARED_ONLY, NOT_RELEASED_YET
-name: release-to-pypi
+name: release-to-testpypi
 on:
    release:
      types: [published]
diff --git a/parse_type/__init__.py b/parse_type/__init__.py
index 92c8b4d..8147313 100644
--- a/parse_type/__init__.py
+++ b/parse_type/__init__.py
@@ -11,4 +11,4 @@
 from parse_type.builder import TypeBuilder, build_type_dict
 
 __all__ = ["Cardinality", "TypeBuilder", "build_type_dict"]
-__version__ = "0.6.2"
+__version__ = "0.6.3"
diff --git a/pyproject.toml b/pyproject.toml
index ca74521..ba02098 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,6 +61,7 @@ Download = "https://pypi.org/project/parse_type/"
 
 [project.optional-dependencies]
 develop = [
+    "setuptools",
     "build >= 0.5.1",
     "twine >= 1.13.0",
     "coverage >= 4.4",
diff --git a/setup.py b/setup.py
index b216331..e44d7ee 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@ def find_packages_by_root_package(where):
 # -----------------------------------------------------------------------------
 setup(
     name = "parse_type",
-    version = "0.6.2",
+    version = "0.6.3",
     author = "Jens Engel",
     author_email = "jenisys@noreply.github.com",
     url = "https://github.com/jenisys/parse_type",
@@ -79,11 +79,12 @@ def find_packages_by_root_package(where):
         "pytest-html >= 1.19.0",
     ],
     extras_require={
-        'docs': [
+        "docs": [
             "Sphinx >=1.6",
             "sphinx_bootstrap_theme >= 0.6.0"
         ],
-        'develop': [
+        "develop": [
+            "setuptools",
             "build >= 0.5.1",
             "twine >= 1.13.0",
             "coverage >= 4.4",