diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 49be2861..634182dc 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,12 +1,15 @@
 Changelog
 #########
 
-latest
-------
+v1.8.1 - *2018-11-20*
+---------------------
 
 - Many little improvements in the documentation.
-- Some improvements through the use of codacy.
-- Remove testing of Python 3.4.
+- Some code improvements through the use of codacy.
+- Remove testing of Python 3.4; officially supported are now Python 3.5-3.7.
+- Version of the `filter article <https://github.com/empymod/article-fdesign>`_
+  (DLF) in geophysics and of the `CSEM book
+  <https://github.com/empymod/csem-ziolkowski-and-slob>`_.
 
 
 v1.8.0 - *2018-10-26*
@@ -308,8 +311,6 @@ push it to 1.4.4; so there isn't really a version 1.4.3.]
 
 - Bug fixes
 
-- Version of CSEM book.
-
 
 v1.4.2 - *2017-06-04*
 ---------------------
diff --git a/README.rst b/README.rst
index 326093bc..d2143a70 100644
--- a/README.rst
+++ b/README.rst
@@ -5,25 +5,6 @@
    
 ----
 
-.. image:: https://readthedocs.org/projects/empymod/badge/?version=latest
-   :target: http://empymod.readthedocs.io/en/latest
-   :alt: Documentation Status
-.. image:: https://travis-ci.org/empymod/empymod.svg?branch=master
-   :target: https://travis-ci.org/empymod/empymod
-   :alt: Travis-CI
-.. image:: https://coveralls.io/repos/github/empymod/empymod/badge.svg?branch=master
-   :target: https://coveralls.io/github/empymod/empymod?branch=master
-   :alt: Coveralls
-.. image:: https://img.shields.io/codacy/grade/b28ed3989ed248fe95e34288e43667b9/master.svg
-   :target: https://www.codacy.com/app/prisae/empymod
-   :alt: Codacy
-.. image:: https://img.shields.io/badge/benchmark-asv-blue.svg?style=flat
-   :target: https://empymod.github.io/asv
-   :alt: Airspeed Velocity
-.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.593094.svg
-   :target: https://doi.org/10.5281/zenodo.593094
-   :alt: Zenodo DOI
-
 .. sphinx-inclusion-marker
 
 The electromagnetic modeller **empymod** can model electric or magnetic
diff --git a/empymod/__init__.py b/empymod/__init__.py
index a290dcdf..c11d2c8a 100644
--- a/empymod/__init__.py
+++ b/empymod/__init__.py
@@ -31,7 +31,7 @@
 
    pip install empymod
 
-Required are Python version 3.4 or higher and the modules ``NumPy`` and
+Required are Python version 3.5 or higher and the modules ``NumPy`` and
 ``SciPy``. The module ``numexpr`` is required additionally (built with Intel's
 VML) if you want to run parts of the kernel in parallel.
 
@@ -826,4 +826,4 @@ def my_new_eta(inp, p_dict):
            'DigitalFilter']
 
 # Version
-__version__ = '1.8.1.dev0'
+__version__ = '1.8.1'
diff --git a/notes2self4release.rst b/notes2self4release.rst
index b1c4db3d..b164bf2b 100644
--- a/notes2self4release.rst
+++ b/notes2self4release.rst
@@ -55,14 +55,12 @@ Note: I really should replace this with an automatic deploy-setup...
 
         # Now to the conda-build part
         conda skeleton pypi empymod
-        conda build --python 3.4 empymod
         conda build --python 3.5 empymod
         conda build --python 3.6 empymod
         conda build --python 3.7 empymod
 
         # Convert for all platforms
 
-        conda convert --platform all /opt/miniconda/miniconda/conda-bld/linux-64/empymod-[version]-py34_0.tar.bz2
         conda convert --platform all /opt/miniconda/miniconda/conda-bld/linux-64/empymod-[version]-py35_0.tar.bz2
         conda convert --platform all /opt/miniconda/miniconda/conda-bld/linux-64/empymod-[version]-py36_0.tar.bz2
         conda convert --platform all /opt/miniconda/miniconda/conda-bld/linux-64/empymod-[version]-py37_0.tar.bz2
diff --git a/setup.py b/setup.py
index 23d3fcb5..4cb2a394 100644
--- a/setup.py
+++ b/setup.py
@@ -7,21 +7,21 @@
 
 setup(
     name='empymod',
-    version='1.8.1.dev0',
+    version='1.8.1',
     description=description,
     long_description=readme,
     author='Dieter Werthmüller',
     author_email='dieter@werthmuller.org',
     url='https://empymod.github.io',
-    download_url='https://github.com/empymod/empymod/tarball/v1.8.0',
+    download_url='https://github.com/empymod/empymod/tarball/v1.8.1',
     license='Apache License V2.0',
     packages=['empymod', 'empymod.scripts'],
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'License :: OSI Approved :: Apache Software License',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
     ],
     install_requires=[
         'numpy',