diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/test.yml
similarity index 91%
rename from .github/workflows/pythonpackage.yml
rename to .github/workflows/test.yml
index d202b8e..c06c56b 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/test.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
+        python-version: [2.7, 3.6, 3.7, 3.8, 3.9]
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 834b2b8..72f396e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# Changelog
+
+## [0.10.0] - 2021-01-27
+
+* [Added] Add update method for Account (https://github.com/omise/omise-python/pull/34)
+* [Added] Add destroy method for Link (https://github.com/omise/omise-python/pull/39)
+* [Added] Add Card.retrieve(customer_id, card_id) method (https://github.com/omise/omise-python/pull/37)
+* [Added] Add testing for 3.9 (https://github.com/omise/omise-python/pull/40)
+* [Removed] Remove testing for 3.5 (EOL) (https://github.com/omise/omise-python/pull/40)
+
 ## [0.9.0] - 2020-08-03
 
 Please upgrade to this version before 20 October 2020.
diff --git a/Dockerfile b/Dockerfile
index ee0d5b8..b1ee0fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,11 +12,11 @@ RUN apt-get update && apt-get install -y curl git-core make build-essential libr
 RUN curl https://pyenv.run | bash
 ENV PATH="/root/.pyenv/bin:$PATH"
 RUN pyenv install 2.7.17
-RUN pyenv install 3.5.9
 RUN pyenv install 3.6.10
 RUN pyenv install 3.7.6
 RUN pyenv install 3.8.1
-RUN pyenv global 3.8.1 3.7.6 3.6.10 3.5.9 2.7.17
+RUN pyenv install 3.9.1
+RUN pyenv global 3.9.1 3.8.1 3.7.6 3.6.10 2.7.17
 
 ## run tests
 
diff --git a/README.md b/README.md
index b19e69e..d16704d 100644
--- a/README.md
+++ b/README.md
@@ -23,10 +23,10 @@ easy_install omise
 The Omise Python client officially supports the following Python versions:
 
 * Python 2.7
-* Python 3.5
 * Python 3.6
 * Python 3.7
 * Python 3.8
+* Python 3.9
 
 Any versions not listed here _may_ work but they are not automatically tested.
 
diff --git a/setup.py b/setup.py
index f7d1149..4b5a319 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 setup(name='omise',
       long_description=long_description,
       long_description_content_type='text/markdown',
-      version='0.9.0',
+      version='0.10.0',
       description='Omise Python client',
       author='Omise',
       author_email='support@omise.co',
@@ -34,9 +34,9 @@
           "Programming Language :: Python :: 2",
           "Programming Language :: Python :: 2.7",
           "Programming Language :: Python :: 3",
-          "Programming Language :: Python :: 3.5",
           "Programming Language :: Python :: 3.6",
           "Programming Language :: Python :: 3.7",
           "Programming Language :: Python :: 3.8",
+          "Programming Language :: Python :: 3.9",
           "Topic :: Software Development :: Libraries :: Python Modules",
       ])
diff --git a/tox.ini b/tox.ini
index c07fc31..77b4ac1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py35, py36, py37, py38
+envlist = py27, py36, py37, py38, py39
 
 [testenv]
 commands = python setup.py test -q