diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ac0cc19..7ae4c94 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,3 +30,30 @@ jobs:
         with:
           name: nsfplay-unstable--${{ env.BUILD_TAG }}
           path: artifact/
+
+  build-contrib-windown:
+    name: Contrib Windows
+    runs-on: windows-2019
+    steps:
+      - name: Checkout Files
+        uses: actions/checkout@v4
+      - name: Build
+        run: make -C contrib
+
+  build-contrib-ubuntu:
+    name: Contrib Ubuntu
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Files
+        uses: actions/checkout@v4
+      - name: Build
+        run: make -C contrib
+
+  build-contrib-macos:
+    name: Contrib macOS
+    runs-on: macos-latest
+    steps:
+      - name: Checkout Files
+        uses: actions/checkout@v4
+      - name: Build
+        run: make -C contrib