diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b98d971..0e40670 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,6 +16,13 @@ jobs:
     runs-on: windows-latest
     strategy:
       fail-fast: false
+      matrix:
+        python-version:
+          - '2.7'
+          - '3.5'
+          - '3.6'
+          - '3.7'
+          - '3.8'
     steps:
       - name: Check out source code
         uses: actions/checkout@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5b76036..5ed81de 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,6 +14,13 @@ jobs:
     runs-on: windows-latest
     strategy:
       fail-fast: false
+      matrix:
+        python-version:
+          - '2.7'
+          - '3.5'
+          - '3.6'
+          - '3.7'
+          - '3.8'
     steps:
       - name: Setup Developer Command Prompt
         uses: ilammy/msvc-dev-cmd@v1