diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3be8879..db668a2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python: [3.5, 3.6, 3.7, 3.8, 3.9.0-rc.1, pypy3]
+        python: [3.6, 3.7, 3.8, 3.9.0-rc.1, pypy3]
         exclude:
           # pytest bug on PyPy3
           # https://github.com/Stranger6667/postmarker/pull/187/checks?check_run_id=1046220597
diff --git a/README.rst b/README.rst
index 405fd0e..422564a 100644
--- a/README.rst
+++ b/README.rst
@@ -90,7 +90,7 @@ Or you can look at the docs/ directory in the repository.
 Python support
 ==============
 
-Postmarker supports Python 3.5 - 3.9 and PyPy3.
+Postmarker supports Python 3.6 - 3.9 and PyPy3.
 
 Thanks
 ======
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 2624f70..aac0f1e 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -11,6 +11,11 @@ Fixed
 
 - Make ``TemplateID`` not required if ``TemplateAlias`` is specified. `#179`_
 
+Removed
+~~~~~~~
+
+- Support for Python 3.5.
+
 `0.16.0`_ - 2020-11-10
 ----------------------
 
diff --git a/setup.py b/setup.py
index 9b01af7..4f20be5 100644
--- a/setup.py
+++ b/setup.py
@@ -31,7 +31,6 @@
         "License :: OSI Approved :: MIT License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",