diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 8712e0c..f69e829 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8]
     steps:
     - uses: actions/checkout@v2
     - name: Cache conda
diff --git a/setup.py b/setup.py
index 9c1612a..e011e17 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,6 @@
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3 :: Only",
     ],
     project_urls={