diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 436223753f..a9c73b7769 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -14,6 +14,11 @@ jobs:
     steps:
       - run: md build
         working-directory:
+      - uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: >-
+            patch
       - uses: actions/cache@v2
         with:
           path: C:\vcpkg\downloads