diff --git a/setup.cfg b/setup.cfg
index dccf11db..eda295ef 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,12 +1,12 @@
 [bumpversion]
-current_version = 0.8.6
+current_version = 0.8.7
 commit = True
 tag = True
 parse = (?P<major>\d+)
 	\.(?P<minor>\d+)
 	\.(?P<patch>\d+)
 	(?P<release>[a]*)(?P<num>\d*)
-serialize =
+serialize = 
 	{major}.{minor}.{patch}{release}{num}
 	{major}.{minor}.{patch}
 tag_name = {new_version}
@@ -15,7 +15,7 @@ tag_name = {new_version}
 name = sbmlutils
 url = https://github.com/matthiaskoenig/sbmlutils
 download_url = https://pypi.org/project/sbmlutils
-project_urls =
+project_urls = 
 	Source Code = https://github.com/matthiaskoenig/sbmlutils
 	Documentation = https://sbmlutils.readthedocs.io
 	Bug Tracker = https://github.com/matthiaskoenig/sbmlutils/issues
@@ -23,7 +23,7 @@ author = Matthias Koenig
 author_email = konigmatt@googlemail.com
 maintainer = Matthias Koenig
 maintainer_email = konigmatt@googlemail.com
-classifiers =
+classifiers = 
 	Development Status :: 5 - Production/Stable
 	Intended Audience :: Science/Research
 	License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)
@@ -38,7 +38,7 @@ license = LGPL-3.0
 description = sbmlutils are utilities for working with SBML.
 long_description = file: README.rst
 long_description_content_type = text/x-rst
-keywords =
+keywords = 
 	modeling
 	standardization
 	SBML
@@ -46,9 +46,9 @@ keywords =
 [options]
 zip_safe = True
 python_requires = >=3.9
-install_requires =
+install_requires = 
 	pymetadata>=0.3.11
-
+	
 	depinfo
 	rich
 	lxml
@@ -56,11 +56,11 @@ install_requires =
 	jinja2
 	xmltodict
 	pydantic
-
+	
 	numpy>=1.21.1
 	python-libsbml>=5.20.2
 	antimony>=2.13.2
-
+	
 	scipy>=1.8
 	pandas>=2.0
 	pint>=0.18
@@ -69,22 +69,22 @@ install_requires =
 	markdown-it-py>=2.0.1
 	openpyxl>=3.0.9
 	xmlschema>=1.9.2
-
+	
 	matplotlib>=3.5
-
+	
 	fastapi>=0.73.0
 	uvicorn>=0.14.4
 	python-multipart>=0.0.5
 	py2cytoscape>=0.7.1
-
+	
 	libroadrunner
-tests_require =
+tests_require = 
 	tox>=3.24.3
 	pytest>=7.0.1
-setup_requires =
+setup_requires = 
 	pytest-runner
 packages = find:
-package_dir =
+package_dir = 
 	= src
 include_package_data = True
 
@@ -95,7 +95,7 @@ test = pytest
 where = src
 
 [options.extras_require]
-development =
+development = 
 	pip-tools>6.14.0
 	black>=23.3.0
 	bump2version>=1.0.1
@@ -106,7 +106,7 @@ development =
 	mypy>=1.4.1
 	pytest>=7.4.0
 	pytest-cov>=4.1.0
-docs =
+docs = 
 	sphinx>=3.4.3
 	ipykernel>=5.4.3
 	nbsphinx>=0.8.1
@@ -120,7 +120,7 @@ universal = 1
 [bumpversion:part:release]
 optional_value = placeholder
 first_value = placeholder
-values =
+values = 
 	placeholder
 	a
 
diff --git a/setup.py b/setup.py
index 8876f5c4..7450b205 100644
--- a/setup.py
+++ b/setup.py
@@ -4,4 +4,4 @@
 
 
 if __name__ == "__main__":
-    setup(version="0.8.6")
+    setup(version="0.8.7")
diff --git a/src/sbmlutils/__init__.py b/src/sbmlutils/__init__.py
index 0e8381cc..ede484d9 100644
--- a/src/sbmlutils/__init__.py
+++ b/src/sbmlutils/__init__.py
@@ -2,7 +2,7 @@
 from pathlib import Path
 
 __author__ = "Matthias König"
-__version__ = "0.8.6"
+__version__ = "0.8.7"
 
 
 program_name = "sbmlutils"