diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06d8f26..6553c3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,9 @@
 * All implementations are now based on `Clipboard::Implementation`
 * Move implementation detection to `utils.rb`
 
+### Other
+* Add more specs and run them on GitHub Actions CI
+
 ## 1.4.1
 * Always use plaintext mimetype for wl-clipboard
 * Do not include newline when pasting from wl-clipboard
diff --git a/spec/clipboard_windows_spec.rb b/spec/clipboard_windows_spec.rb
new file mode 100644
index 0000000..5c2720a
--- /dev/null
+++ b/spec/clipboard_windows_spec.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require_relative "spec_helper"
+
+require "rbconfig"
+
+if RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
+  require 'clipboard/windows'
+
+  describe "Clipboard::Windows" do
+    before :all do
+      Clipboard.implementation = Clipboard::Windows
+    end
+
+    it "can copy & paste" do
+      expect( Clipboard.copy('example') ).to eq true
+      expect( Clipboard.paste ).to eq 'example'.encode("UTF16-LE")
+    end
+
+    it "can clear" do
+      expect( Clipboard.copy('example') ).to eq true
+      expect( Clipboard.paste ).to eq 'example'.encode("UTF16-LE")
+      Clipboard.clear
+      expect( Clipboard.paste ).to eq ''
+    end
+  end
+end