diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 749aa6ba..9d0eb1fa 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.10.0
+current_version = 0.10.1
 commit = True
 tag = True
 
diff --git a/.circleci/config.yml b/.circleci/config.yml
index de5284db..cde09f5c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -9,11 +9,16 @@
 #   - https://circleci.com/docs/2.0/language-python/ for more details
 #   - https://circleci.com/docs/2.0/configuration-reference/
 #
-version: 2
+version: "2.1"
+
 jobs:
-  test-py37:
+  test:
+    parameters:
+      python_version:
+        type: string
+
     docker:
-      - image: python:3.7.2
+      - image: python:<< parameters.python_version >>
 
     working_directory: ~/repo
 
@@ -34,7 +39,14 @@ jobs:
           command: |
             . venv/bin/activate
             make lint
-            tox -e py37
+
+            # Set Tox environment to the installed Python version.
+            TOXENV=$(
+              python -c 'import sys; v = sys.version_info; print("py{}{}".format(v.major, v.minor))'
+            )
+
+            tox -e "$TOXENV"
+
             codecov
             make test-coverage-report-console
             make test-coverage-report-html
@@ -75,5 +87,11 @@ workflows:
   version: 2
   ci:
     jobs:
-      - test-py37
+      - test:
+          matrix:
+            parameters:
+              python_version:
+                - "3.7.2"
+                - "3.7.6"
+                - "3.8.3"
       - dist
diff --git a/HISTORY.rst b/HISTORY.rst
index 78e0a1fb..17f11dfd 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,11 @@
 History
 -------
 
+0.10.1 (2020-06-08)
++++++++++++++++++++++++
+
+* (PR #119, 2020-06-08) Add support for Python 3.8
+
 0.10.0 (2020-04-14)
 +++++++++++++++++++++++
 
diff --git a/README.rst b/README.rst
index 550c7bb4..73f69745 100644
--- a/README.rst
+++ b/README.rst
@@ -43,8 +43,8 @@ Status
 Supported Python versions
 -------------------------
 
-Only Python 3.7. Python 3.6 and below will not work because we use some features introduced in
-Python 3.7.
+Only Python 3.7 and 3.8. Python 3.6 and below will not work because we use some features introduced
+in Python 3.7.
 
 Quickstart
 ----------
diff --git a/cl_sii/__init__.py b/cl_sii/__init__.py
index f73bf4cf..147552f6 100644
--- a/cl_sii/__init__.py
+++ b/cl_sii/__init__.py
@@ -5,4 +5,4 @@
 """
 
 
-__version__ = '0.10.0'
+__version__ = '0.10.1'
diff --git a/setup.py b/setup.py
index d9707283..f5094afb 100755
--- a/setup.py
+++ b/setup.py
@@ -75,6 +75,7 @@ def get_version(*file_paths: Sequence[str]) -> str:
         'Natural Language :: English',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
     ],
     description="""Python library for Servicio de Impuestos Internos (SII) of Chile.""",
     extras_require=extras_requirements,
@@ -86,7 +87,7 @@ def get_version(*file_paths: Sequence[str]) -> str:
     name='cl-sii',
     package_data=_package_data,
     packages=find_packages(exclude=['docs', 'tests*']),
-    python_requires='>=3.7, <3.8',
+    python_requires='>=3.7, <3.9',
     setup_requires=setup_requirements,
     test_suite='tests',
     tests_require=test_requirements,
diff --git a/tests/test_libs_io_utils.py b/tests/test_libs_io_utils.py
index 7a850b3e..2a35dbd4 100644
--- a/tests/test_libs_io_utils.py
+++ b/tests/test_libs_io_utils.py
@@ -1,5 +1,6 @@
 import io
 import pathlib
+import sys
 import tempfile
 import unittest
 
@@ -69,8 +70,11 @@ def test_with_encoding_utf8(self):
 
         with tempfile.SpooledTemporaryFile(mode='rt', encoding='utf-8') as f:
             self.assertTrue(isinstance(f, tempfile.SpooledTemporaryFile))
-            # note: this is a strange case.
-            self.assertFalse(with_encoding_utf8(f))
+            if sys.version_info[:3] >= (3, 7, 6):
+                self.assertTrue(with_encoding_utf8(f))
+            else:
+                # note: this is a strange case (Python 3.7).
+                self.assertFalse(with_encoding_utf8(f))
 
         # Text mode - encoding 'latin1'
 
diff --git a/tox.ini b/tox.ini
index e2329362..27abbb3a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,7 @@
 [tox]
 envlist =
-    py37
+    py37,
+    py38,
 
 [testenv]
 setenv =
@@ -10,3 +11,4 @@ deps =
     -r{toxinidir}/requirements/test.txt
 basepython =
     py37: python3.7
+    py38: python3.8