diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 983dc679..67d3847e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         crystal: [latest, nightly]
     runs-on: ${{ matrix.os }}
 
@@ -32,10 +32,53 @@ jobs:
       - name: Run specs
         run: |
           crystal spec
-          crystal spec --release --no-debug
+
+  format:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        crystal: [latest, nightly]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Install Crystal
+        uses: oprypin/install-crystal@v1
+        with:
+          crystal: ${{ matrix.crystal }}
+
+      - name: Download source
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: shards install
+        env:
+          SHARDS_OPTS: --ignore-crystal-version
 
       - name: Check formatting
         run: crystal tool format --check
+    
+  ameba:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+        crystal: [latest, nightly]
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Install Crystal
+        uses: oprypin/install-crystal@v1
+        with:
+          crystal: ${{ matrix.crystal }}
+
+      - name: Download source
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: shards install
+        env:
+          SHARDS_OPTS: --ignore-crystal-version
 
       - name: Run ameba linter
-        run: bin/ameba
+        run: bin/ameba
\ No newline at end of file