diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index 2d323e3dd..084e162ea 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -9,13 +9,12 @@ on:
 
 jobs:
   tests:
-    name: "Python ${{ matrix.python-version }}"
-    runs-on: "ubuntu-latest"
-
+    name: "Python ${{ matrix.python-version }} ${{ matrix.os }}"
+    runs-on: "${{ matrix.os }}"
     strategy:
       matrix:
         python-version: ["3.6", "3.7", "3.8"]
-
+        os: [windows-latest, ubuntu-latest]
     steps:
       - uses: "actions/checkout@v2"
       - uses: "actions/setup-python@v1"
@@ -23,5 +22,7 @@ jobs:
           python-version: "${{ matrix.python-version }}"
       - name: "Install dependencies"
         run: "scripts/install"
+        shell: bash
       - name: "Run tests"
         run: "scripts/test"
+        shell: bash
diff --git a/requirements_windows.txt b/requirements_windows.txt
new file mode 100644
index 000000000..486c96046
--- /dev/null
+++ b/requirements_windows.txt
@@ -0,0 +1,19 @@
+click
+h11
+
+# Optional
+websockets==8.*
+wsproto==0.13.*
+
+# Testing
+autoflake
+black
+codecov
+flake8
+isort
+pytest
+pytest-cov
+requests
+
+# Efficient debug reload
+watchgod>=0.6,<0.7
diff --git a/scripts/install b/scripts/install
index 65885a720..b2c9963d2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,9 +1,15 @@
-#!/bin/sh -e
+#!/usr/bin/env bash
+
+set -e
 
 # Use the Python executable provided from the `-p` option, or a default.
 [ "$1" = "-p" ] && PYTHON=$2 || PYTHON="python3"
 
-REQUIREMENTS="requirements.txt"
+if [ "$OSTYPE" = "linux-gnu" ]; then
+    REQUIREMENTS="requirements.txt"
+elif [ "$OSTYPE" = "msys" ]; then
+    REQUIREMENTS="requirements_windows.txt"
+fi
 VENV="venv"
 
 set -x