diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
deleted file mode 100644
index 2699bfc..0000000
--- a/.github/workflows/build.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: build
-
-on:
-  push:
-    branches: 
-      - master
-  pull_request:
-    branches:
-      - '*'
-
-jobs:
-  ci-build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - run: git fetch --prune --unshallow
-      - uses: actions/cache@v2
-        with:
-          path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-      - uses: actions/setup-go@v2
-        with:
-          go-version: 1.15
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
deleted file mode 100644
index d31e87f..0000000
--- a/.github/workflows/go.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: Go
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-    steps:
-
-    - name: Set up Go 1.x
-      uses: actions/setup-go@v2
-      with:
-        go-version: ^1.13
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-        if [ -f Gopkg.toml ]; then
-            curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
-            dep ensure
-        fi
-
-    - name: Build
-      run: go build -v .
-
-    - name: Test
-      run: go test -v .
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
deleted file mode 100644
index 81b5e1a..0000000
--- a/.github/workflows/publish.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: publish
-
-on:
-  push:
-    tags:
-      - '*'
-
-jobs:
-  goreleaser:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - run: git fetch --prune --unshallow
-      - uses: actions/setup-go@v2
-        with:
-          go-version: 1.14
-      - run: docker login docker.pkg.github.com -u docker -p ${{ secrets.GITHUB_TOKEN }}
-      - uses: goreleaser/goreleaser-action@v2
-        with:
-          version: v0.142.0
-          args: release
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0d30bf5..8b99b51 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,9 +1,36 @@
 name: release
+
 on:
   push:
     branches:
       - master
+  pull_request:
+    branches:
+      - '*'
 jobs:
+  ci-build:
+    strategy:
+      matrix:
+        go-version: [ 1.14.x, 1.15.x ]
+        os: [ ubuntu-latest, ubuntu-20.04, macos-latest, windows-latest]
+      runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - run: git fetch --prune --unshallow
+      - uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+      - name: Install Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Go version
+        run: go version
+      - name: Test
+        run: go test ./...
+      - name: Build
+        run: go build
   release:
     name: Release
     runs-on: ubuntu-latest
@@ -20,9 +47,10 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: semantic-release $DRY_RUN_OPT
-      - uses: actions/setup-go@v2
+      - name: Set up Go 1.x
+        uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: ^1.14
       - run: docker login docker.pkg.github.com -u docker -p ${{ secrets.GITHUB_TOKEN }}
       - uses: goreleaser/goreleaser-action@v2
         with: