diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 2008c7c21..3ad2ce73a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -19,12 +19,9 @@ env:
   GOPHERJS_PATH: ${{ github.workspace }}/go/src/github.com/${{ github.repository }}
 
 jobs:
-  smoke_tests:
-    name: Smoke Tests
-    strategy:
-      matrix:
-        os: [ ubuntu-latest, macos-latest, windows-latest ]
-    runs-on: ${{ matrix.os }}
+  build:
+    name: Ubuntu Smoke
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
@@ -34,7 +31,7 @@ jobs:
       - name: Setup GopherJS
         uses: ./.github/actions/setup-gopherjs/
         with:
-          os: ${{ matrix.os }}
+          os: ubuntu-latest
       - name: Test GopherJS
         working-directory: ${{ env.GOPHERJS_PATH }}
         run: go test -v -short ./...
@@ -42,8 +39,7 @@ jobs:
         working-directory: ${{ env.GOPHERJS_PATH }}
         run: |
           gopherjs build -v net/http
-          gopherjs test -v --short ./tests
-          gopherjs test -v --short fmt log os sort
+          gopherjs test -v --short fmt log
 
   lint:
     name: Lint Checks
@@ -68,3 +64,47 @@ jobs:
         working-directory: ${{ env.GOPHERJS_PATH }}
         # All those packages should have // +build js.
         run: diff -u <(echo -n) <(go list ./compiler/natives/src/...)
+
+  windows_smoke:
+    name: Window Smoke
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          path: ${{ env.GOPHERJS_PATH }}
+      - name: Copy Actions
+        run: cp -r ${{ env.GOPHERJS_PATH }}/.github .
+      - name: Setup GopherJS
+        uses: ./.github/actions/setup-gopherjs/
+        with:
+          os: windows-latest
+      - name: Test GopherJS
+        working-directory: ${{ env.GOPHERJS_PATH }}
+        run: go test -v -short ./...
+      - name: Run Tests
+        working-directory: ${{ env.GOPHERJS_PATH }}
+        run: |
+          gopherjs build -v net/http
+          gopherjs test -v --short fmt sort ./tests
+
+  darwin_smoke:
+    name: Darwin Smoke
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          path: ${{ env.GOPHERJS_PATH }}
+      - name: Copy Actions
+        run: cp -r ${{ env.GOPHERJS_PATH }}/.github .
+      - name: Setup GopherJS
+        uses: ./.github/actions/setup-gopherjs/
+        with:
+          os: macos-latest
+      - name: Test GopherJS
+        working-directory: ${{ env.GOPHERJS_PATH }}
+        run: go test -v -short ./...
+      - name: Run Tests
+        working-directory: ${{ env.GOPHERJS_PATH }}
+        run: |
+          gopherjs build -v net/http
+          gopherjs test -v --short fmt log os ./tests