diff --git a/.github/workflows/windows-mingw-build.yml b/.github/workflows/windows-mingw-build.yml
index 3153fd6..3c0101a 100644
--- a/.github/workflows/windows-mingw-build.yml
+++ b/.github/workflows/windows-mingw-build.yml
@@ -2,7 +2,7 @@ name: windows-mingw-build
 
 on:
   push:
-    branches: [ main ]
+    branches: [ test ]
   pull_request:
     branches: [ main ]
 
@@ -25,3 +25,8 @@ jobs:
           echo "y" | pacman -S mingw-w64-x86_64-freetype
           cmake -G "MinGW Makefiles" . -DIS_CI_BUILD="true"
           cmake --build .
+
+      - name: run unit tests
+        shell: msys2 {0}
+        run: |
+          dir /s
diff --git a/vcpkg.json b/vcpkg.json
index ce31f44..6437c91 100644
--- a/vcpkg.json
+++ b/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "seika",
-  "version": "0.0.20",
+  "version": "0.0.21",
   "dependencies": [
     {
       "name": "sdl2",