diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b54c1841a1a..84b2356fe1a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,22 +20,23 @@ jobs:
       py36: 3.6
       py37: 3.7
       py38: 3.8
+      py39: 3.9
       pypy3: pypy3
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false  # ensures the entire test matrix is run, even if one permutation fails
       matrix:
-        python-version: [ py35, py36, py37, py38, pypy3 ]
+        python-version: [ py35, py36, py37, py38, py39, pypy3 ]
         package: ["instrumentation", "core", "exporter"]
         os: [ ubuntu-latest ]
         include:
-          - python-version: py38
+          - python-version: py39
             package: "tracecontext"
             os: ubuntu-latest
-          - python-version: py38
+          - python-version: py39
             package: "mypy"
             os: ubuntu-latest
-          - python-version: py38
+          - python-version: py39
             package: "mypyinstalled"
             os: ubuntu-latest
           # py35-instrumentation segfaults on 18.04 so we instead run on 20.04
@@ -85,7 +86,7 @@ jobs:
           repository: open-telemetry/opentelemetry-python-contrib
           ref: ${{ env.CONTRIB_REPO_SHA }}
           path: opentelemetry-python-contrib
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
           python-version: 3.8
@@ -106,12 +107,13 @@ jobs:
       py36: 3.6
       py37: 3.7
       py38: 3.8
+      py39: 3.9
       pypy3: pypy3
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false  # ensures the entire test matrix is run, even if one permutation fails
       matrix:
-        python-version: [ py35, py36, py37, py38, pypy3 ]
+        python-version: [ py35, py36, py37, py38, py39, pypy3 ]
         package: ["instrumentation", "exporter"]
         os: [ ubuntu-latest ]
         include:
@@ -166,10 +168,10 @@ jobs:
         with:
           repository: open-telemetry/opentelemetry-python
           path: opentelemetry-python-core
-      - name: Set up Python 3.8
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.8
+          python-version: 3.9
       - name: Install tox
         run: pip install -U tox
       - name: Cache tox environment
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0702323c5db..73ec8a070c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v0.16b1...HEAD)
 
+- Add support for Python 3.9
+  ([#1441](https://github.com/open-telemetry/opentelemetry-python/pull/1441))
+
 ### Added
 - Add `fields` to propagators
   ([#1374](https://github.com/open-telemetry/opentelemetry-python/pull/1374))
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 489fc33fcb4..c60b8640f67 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,7 +2,7 @@ pylint==2.4.4
 flake8~=3.7
 isort~=4.3
 black>=19.3b0,==19.*
-mypy==0.770
+mypy==0.790
 sphinx~=2.1
 sphinx-rtd-theme~=0.4
 sphinx-autodoc-typehints~=1.10.2
diff --git a/docs/examples/error_hander/error_handler_0/setup.cfg b/docs/examples/error_hander/error_handler_0/setup.cfg
index d0a7b6275e3..e3c039c0453 100644
--- a/docs/examples/error_hander/error_handler_0/setup.cfg
+++ b/docs/examples/error_hander/error_handler_0/setup.cfg
@@ -29,6 +29,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/docs/examples/error_hander/error_handler_1/setup.cfg b/docs/examples/error_hander/error_handler_1/setup.cfg
index 304b32fd5e9..749b0d827f7 100644
--- a/docs/examples/error_hander/error_handler_1/setup.cfg
+++ b/docs/examples/error_hander/error_handler_1/setup.cfg
@@ -29,6 +29,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/exporter/opentelemetry-exporter-opencensus/setup.cfg b/exporter/opentelemetry-exporter-opencensus/setup.cfg
index 2ff3b2bc2b4..c707b86b9fb 100644
--- a/exporter/opentelemetry-exporter-opencensus/setup.cfg
+++ b/exporter/opentelemetry-exporter-opencensus/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/exporter/opentelemetry-exporter-otlp/setup.cfg b/exporter/opentelemetry-exporter-otlp/setup.cfg
index 20d724e8676..cb11e0e041f 100644
--- a/exporter/opentelemetry-exporter-otlp/setup.cfg
+++ b/exporter/opentelemetry-exporter-otlp/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/exporter/opentelemetry-exporter-prometheus/setup.cfg b/exporter/opentelemetry-exporter-prometheus/setup.cfg
index 6ab2101f8cb..40991ace388 100644
--- a/exporter/opentelemetry-exporter-prometheus/setup.cfg
+++ b/exporter/opentelemetry-exporter-prometheus/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/exporter/opentelemetry-exporter-zipkin/setup.cfg b/exporter/opentelemetry-exporter-zipkin/setup.cfg
index 6fda3370146..f8002c583d5 100644
--- a/exporter/opentelemetry-exporter-zipkin/setup.cfg
+++ b/exporter/opentelemetry-exporter-zipkin/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/instrumentation/opentelemetry-instrumentation-opentracing-shim/setup.cfg b/instrumentation/opentelemetry-instrumentation-opentracing-shim/setup.cfg
index 87def810899..abe7bc58158 100644
--- a/instrumentation/opentelemetry-instrumentation-opentracing-shim/setup.cfg
+++ b/instrumentation/opentelemetry-instrumentation-opentracing-shim/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/opentelemetry-api/setup.cfg b/opentelemetry-api/setup.cfg
index 78c3123222a..8bb3e6cc6f7 100644
--- a/opentelemetry-api/setup.cfg
+++ b/opentelemetry-api/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/opentelemetry-instrumentation/setup.cfg b/opentelemetry-instrumentation/setup.cfg
index 558e6a54e2f..e38e80d1bef 100644
--- a/opentelemetry-instrumentation/setup.cfg
+++ b/opentelemetry-instrumentation/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/opentelemetry-proto/setup.cfg b/opentelemetry-proto/setup.cfg
index 9f8087df66d..6b924a7a390 100644
--- a/opentelemetry-proto/setup.cfg
+++ b/opentelemetry-proto/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/opentelemetry-sdk/setup.cfg b/opentelemetry-sdk/setup.cfg
index 6da0d4642ca..94dfbd18bc8 100644
--- a/opentelemetry-sdk/setup.cfg
+++ b/opentelemetry-sdk/setup.cfg
@@ -32,6 +32,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/tests/util/setup.cfg b/tests/util/setup.cfg
index c788346791c..a1fdf1a01e3 100644
--- a/tests/util/setup.cfg
+++ b/tests/util/setup.cfg
@@ -30,6 +30,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [options]
 python_requires = >=3.5
diff --git a/tox.ini b/tox.ini
index 447613d0393..4dd1bc6b804 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,52 +5,52 @@ envlist =
     ; Environments are organized by individual package, allowing
     ; for specifying supported Python versions per package.
     ; opentelemetry-api
-    py3{5,6,7,8}-test-core-api
+    py3{5,6,7,8,9}-test-core-api
     pypy3-test-core-api
 
     ; opentelemetry-proto
-    py3{5,6,7,8}-test-core-proto
+    py3{5,6,7,8,9}-test-core-proto
     pypy3-test-core-proto
 
     ; opentelemetry-sdk
-    py3{5,6,7,8}-test-core-sdk
+    py3{5,6,7,8,9}-test-core-sdk
     pypy3-test-core-sdk
 
     ; opentelemetry-instrumentation
-    py3{5,6,7,8}-test-core-instrumentation
+    py3{5,6,7,8,9}-test-core-instrumentation
     pypy3-test-core-instrumentation
 
     ; docs/getting-started
-    py3{5,6,7,8}-test-core-getting-started
+    py3{5,6,7,8,9}-test-core-getting-started
     pypy3-test-core-getting-started
 
     ; opentelemetry-exporter-jaeger
-    py3{5,6,7,8}-test-exporter-jaeger
+    py3{5,6,7,8,9}-test-exporter-jaeger
     pypy3-test-exporter-jaeger
 
     ; opentelemetry-exporter-opencensus
-    py3{5,6,7,8}-test-exporter-opencensus
+    py3{5,6,7,8,9}-test-exporter-opencensus
     ; exporter-opencensus intentionally excluded from pypy3
 
     ; opentelemetry-exporter-otlp
-    py3{5,6,7,8}-test-exporter-otlp
+    py3{5,6,7,8,9}-test-exporter-otlp
     ; exporter-otlp intentionally excluded from pypy3
 
     ; opentelemetry-exporter-prometheus
-    py3{5,6,7,8}-test-exporter-prometheus
+    py3{5,6,7,8,9}-test-exporter-prometheus
     pypy3-test-exporter-prometheus
 
     ; opentelemetry-exporter-zipkin
-    py3{5,6,7,8}-test-exporter-zipkin
+    py3{5,6,7,8,9}-test-exporter-zipkin
     pypy3-test-exporter-zipkin
 
     ; opentelemetry-opentracing-shim
-    py3{5,6,7,8}-test-core-opentracing-shim
+    py3{5,6,7,8,9}-test-core-opentracing-shim
     pypy3-test-core-opentracing-shim
 
     lint
-    py38-tracecontext
-    py38-{mypy,mypyinstalled}
+    py39-tracecontext
+    py39-{mypy,mypyinstalled}
     docs
     docker-tests
 
@@ -80,7 +80,7 @@ changedir =
 
 commands_pre =
 ; Install without -e to test the actual installation
-  py3{5,6,7,8}: python -m pip install -U pip setuptools wheel
+  py3{5,6,7,8,9}: python -m pip install -U pip setuptools wheel
 ; Install common packages for all the tests. These are not needed in all the
 ; cases but it saves a lot of boilerplate in this file.
   test: pip install {toxinidir}/opentelemetry-api {toxinidir}/opentelemetry-sdk {toxinidir}/tests/util
@@ -164,8 +164,8 @@ changedir = docs
 commands =
   sphinx-build -E -a -W -b html -T . _build/html
 
-[testenv:py38-tracecontext]
-basepython: python3.8
+[testenv:py39-tracecontext]
+basepython: python3.9
 deps =
   # needed for tracecontext
   aiohttp~=3.6