diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 14e72add1..3fdf1f2da 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, pypy-3.6]
+        python-version: [3.7, 3.8, 3.9, pypy-3.7]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/docs/source/setup.rst b/docs/source/setup.rst
index 47c29d3c6..d102362fd 100644
--- a/docs/source/setup.rst
+++ b/docs/source/setup.rst
@@ -14,7 +14,7 @@ automatically by ``pip3``!
 Ezdxf provides since v0.15 some C-extensions, which will be deployed
 automatically at each release to PyPI as binary wheels for Windows,
 ManyLinux 2010 and macOS. The supported Python versions start with the latest
-stable version of pypy3, which is currently Python 3.6 (2021) and ends with
+stable version of pypy3, which is currently Python 3.7 (2021) and ends with
 the latest stable release of CPython.
 
 The C-extensions are disabled for pypy3, because the JIT compiled code of pypy
diff --git a/setup.py b/setup.py
index 380823dbd..da0315628 100644
--- a/setup.py
+++ b/setup.py
@@ -119,7 +119,6 @@ def read_until(lines):
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",