diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e81f140..e9bdb84 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,24 +5,27 @@ name: Build and test
 
 on:
   push:
-    branches: [ "master" ]
+    branches: ["master"]
   pull_request:
-    branches: [ "master" ]
+    branches: ["master"]
 
 jobs:
-
   build:
+    strategy:
+      matrix:
+        go-version: [^1, ~1.15]
+
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
 
-    - name: Set up Go
-      uses: actions/setup-go@v4
-      with:
-        go-version: '^1'
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
 
-    - name: Build
-      run: go build -v ./...
+      - name: Build
+        run: go build -v ./...
 
-    - name: Test
-      run: go test -v ./...
+      - name: Test
+        run: go test -v ./...