diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 74f8e70..c3f50a0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, pypy2, pypy3]
+        python-version: [2.7, 3.5, 3.6, 3.7, 3.8, 3.9, "3.10", pypy2, pypy3]
         exclude:
           - os: macos-latest
             python-version: 3.5
diff --git a/appveyor.yml b/appveyor.yml
index 3e8bbef..fa856ff 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,8 @@ environment:
       nodejs_version: "10"
     - PYTHON: "C:\\Python38"
       nodejs_version: "10"
+    - PYTHON: "C:\\Python39"
+      nodejs_version: "14"
 
 install:
   - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"