diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index 54f5790b..58f05860 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -117,6 +117,7 @@ jobs:
           user: __token__
           password: ${{ secrets.TEST_PYPI_API_TOKEN }}
           repository_url: https://test.pypi.org/legacy/
+          verbose: true
 
       - name: Publish 📦 to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/conda_recipe/meta.yaml b/conda_recipe/meta.yaml
index 0ba79337..bb00e720 100644
--- a/conda_recipe/meta.yaml
+++ b/conda_recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "pygaps" %}
-{% set version = "4.0.0" %}
+{% set version = "4.0.1" %}
 
 package:
   name: "{{ name|lower }}"
diff --git a/pyproject.toml b/pyproject.toml
index 9633924a..f183b62f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ build-backend = "setuptools.build_meta"
 [tool.setuptools_scm]
 write_to = "src/pygaps/_version.py"
 local_scheme = 'dirty-tag'
-fallback_version = '4.0.0'
+fallback_version = '4.0.1'
 
 # linting: pylint
 [tool.pylint.basic]
diff --git a/setup.cfg b/setup.cfg
index 1a5b8aa4..b5f2d37b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,14 +1,15 @@
 [bumpversion]
-current_version = 4.0.0
+current_version = 4.0.1
 commit = True
 tag = False
 message = '{current_version} → {new_version}'
 
 [metadata]
 name = pygaps
+version = 4.0.1
 description = A framework for processing adsorption data for porous materials.
 long_description = file: README.rst
-long_description_content_type = "text/x-rst"
+long_description_content_type = text/x-rst
 keywords = adsorption, characterization, porous materials, isotherms
 author = Paul Iacomi
 author_email = mail@pauliacomi.com
@@ -93,6 +94,10 @@ docs =
 [options.packages.find]
 where = src
 
+[bumpversion:file:setup.cfg]
+search = version = {current_version}
+replace = version = {new_version}
+
 [bumpversion:file:pyproject.toml]
 search = fallback_version = '{current_version}'
 replace = fallback_version = '{new_version}'
diff --git a/src/pygaps/__init__.py b/src/pygaps/__init__.py
index 4aa8a028..00c4c7e9 100644
--- a/src/pygaps/__init__.py
+++ b/src/pygaps/__init__.py
@@ -9,7 +9,7 @@
     from ._version import version
     __version__ = version
 except ImportError:
-    __version__ = '4.0.0'
+    __version__ = '4.0.1'
 
 import sys
 from .logging import logger