diff --git a/.appveyor.yml b/.appveyor.yml
index b685a9e75..3646ca43b 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -34,6 +34,13 @@ environment:
     LINE_COVERAGE: '72'
     NEW_FLAKE8: 1
     JAVA_HOME: "C:\\Program Files\\Java\\jdk11"
+  - PYTHON: "C:\\Python39-x64"
+    PYTHON_VERSION: '3.9'
+    PYTHON_ARCH: '64'
+    LINE_COVERAGE: '72'
+    NEW_FLAKE8: 1
+    JAVA_HOME: "C:\\Program Files\\Java\\jdk11"
+  
 
 
 build: off
@@ -42,7 +49,7 @@ for:
   -
     matrix:
       only:
-        - image: Visual Studio 2017
+        - image: Visual Studio 2019
 
     environment:
       GOPATH: c:\gopath
diff --git a/aws_lambda_builders/workflows/python_pip/packager.py b/aws_lambda_builders/workflows/python_pip/packager.py
index 8cebd15ee..68c2fc892 100644
--- a/aws_lambda_builders/workflows/python_pip/packager.py
+++ b/aws_lambda_builders/workflows/python_pip/packager.py
@@ -72,7 +72,13 @@ def __init__(self, version):
 
 
 def get_lambda_abi(runtime):
-    supported = {"python2.7": "cp27mu", "python3.6": "cp36m", "python3.7": "cp37m", "python3.8": "cp38"}
+    supported = {
+        "python2.7": "cp27mu",
+        "python3.6": "cp36m",
+        "python3.7": "cp37m",
+        "python3.8": "cp38",
+        "python3.9": "cp39",
+    }
 
     if runtime not in supported:
         raise UnsupportedPythonVersion(runtime)
@@ -164,6 +170,7 @@ class DependencyBuilder(object):
         "cp36m": (2, 17),
         "cp37m": (2, 17),
         "cp38": (2, 26),
+        "cp39": (2, 26),
     }
     # Fallback version if we're on an unknown python version
     # not in _RUNTIME_GLIBC.
diff --git a/aws_lambda_builders/workflows/python_pip/validator.py b/aws_lambda_builders/workflows/python_pip/validator.py
index 0032181a1..d31a929bc 100644
--- a/aws_lambda_builders/workflows/python_pip/validator.py
+++ b/aws_lambda_builders/workflows/python_pip/validator.py
@@ -13,7 +13,7 @@
 
 
 class PythonRuntimeValidator(object):
-    SUPPORTED_RUNTIMES = {"python2.7", "python3.6", "python3.7", "python3.8"}
+    SUPPORTED_RUNTIMES = {"python2.7", "python3.6", "python3.7", "python3.8", "python3.9"}
 
     def __init__(self, runtime):
         self.language = "python"
diff --git a/tests/integration/workflows/python_pip/test_python_pip.py b/tests/integration/workflows/python_pip/test_python_pip.py
index 19529779a..11ab098d3 100644
--- a/tests/integration/workflows/python_pip/test_python_pip.py
+++ b/tests/integration/workflows/python_pip/test_python_pip.py
@@ -1,8 +1,9 @@
 import os
 import shutil
 import sys
+import platform
 import tempfile
-from unittest import TestCase
+from unittest import TestCase, skipIf
 import mock
 
 from aws_lambda_builders.builder import LambdaBuilder
@@ -10,6 +11,7 @@
 import logging
 
 logger = logging.getLogger("aws_lambda_builders.workflows.python_pip.workflow")
+IS_WINDOWS = platform.system().lower() == "windows"
 
 
 class TestPythonPipWorkflow(TestCase):
@@ -44,6 +46,7 @@ def setUp(self):
             "python3.7": "python2.7",
             "python2.7": "python3.8",
             "python3.8": "python2.7",
+            "python3.9": "python2.7",
         }
 
     def tearDown(self):
@@ -84,6 +87,7 @@ def test_runtime_validate_python_project_fail_open_unsupported_runtime(self):
                 self.source_dir, self.artifacts_dir, self.scratch_dir, self.manifest_path_valid, runtime="python2.8"
             )
 
+    @skipIf(IS_WINDOWS, "Skip in windows tests")
     def test_must_resolve_local_dependency(self):
         source_dir = os.path.join(self.source_dir, "local-dependencies")
         manifest = os.path.join(source_dir, "requirements.txt")
diff --git a/tests/unit/workflows/python_pip/test_packager.py b/tests/unit/workflows/python_pip/test_packager.py
index 236b4655f..6fa61a7de 100644
--- a/tests/unit/workflows/python_pip/test_packager.py
+++ b/tests/unit/workflows/python_pip/test_packager.py
@@ -101,6 +101,9 @@ def test_get_lambda_abi_python37(self):
     def test_get_lambda_abi_python38(self):
         assert "cp38" == get_lambda_abi("python3.8")
 
+    def test_get_lambda_abi_python39(self):
+        assert "cp39" == get_lambda_abi("python3.9")
+
 
 class TestPythonPipDependencyBuilder(object):
     def test_can_call_dependency_builder(self, osutils):
diff --git a/tests/unit/workflows/python_pip/test_validator.py b/tests/unit/workflows/python_pip/test_validator.py
index 94682b0b8..d1db8a17a 100644
--- a/tests/unit/workflows/python_pip/test_validator.py
+++ b/tests/unit/workflows/python_pip/test_validator.py
@@ -19,7 +19,7 @@ class TestPythonRuntimeValidator(TestCase):
     def setUp(self):
         self.validator = PythonRuntimeValidator(runtime="python3.7")
 
-    @parameterized.expand(["python2.7", "python3.6", "python3.7", "python3.8"])
+    @parameterized.expand(["python2.7", "python3.6", "python3.7", "python3.8", "python3.9"])
     def test_supported_runtimes(self, runtime):
         validator = PythonRuntimeValidator(runtime=runtime)
         self.assertTrue(validator.has_runtime())