diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b83a9c8f..f76eca29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,5 +34,10 @@ jobs:
       - name: Install dependencies
         run: bundle install
 
-      - name: Run tests
+      - name: Run ${{ matrix.os }} tests
+        if: ${{ matrix.os != 'windows-latest' }}
         run: script/cibuild
+
+      - name: Run ${{ matrix.os }} tests
+        if: ${{ matrix.os == 'windows-latest' }}
+        run: script/cibuild.cmd
diff --git a/script/cibuild b/script/cibuild
index b8eb300b..6c9db2f2 100755
--- a/script/cibuild
+++ b/script/cibuild
@@ -2,11 +2,6 @@
 
 set -e
 
-if [ -d /usr/share/rbenv/shims ]; then
-  export PATH=/usr/share/rbenv/shims:$PATH
-  export RBENV_VERSION="2.1.7-github"
-fi
-
 git submodule sync
 git submodule update --init
 bundle
diff --git a/script/cibuild.cmd b/script/cibuild.cmd
new file mode 100755
index 00000000..6f59f0e3
--- /dev/null
+++ b/script/cibuild.cmd
@@ -0,0 +1,7 @@
+set dir="%cd%"
+
+git submodule sync
+git submodule update --init
+bundle
+bundle exec rake clean compile
+bundle exec rake test