diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index f72f4c3..ebb4b6a 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -6,7 +6,10 @@ on:
 
 jobs:
   check:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout sources
       uses: actions/checkout@v2
diff --git a/.github/workflows/prod.yml b/.github/workflows/prod.yml
index 2262923..089cd7a 100644
--- a/.github/workflows/prod.yml
+++ b/.github/workflows/prod.yml
@@ -9,7 +9,10 @@ on:
 
 jobs:
   check:
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout sources
       uses: actions/checkout@v2