diff --git a/.github/workflows/pr-check.yaml b/.github/workflows/pr-check.yaml
index 9eb7f59..3ed0167 100644
--- a/.github/workflows/pr-check.yaml
+++ b/.github/workflows/pr-check.yaml
@@ -8,12 +8,15 @@ on:
 
 jobs:
   go-mod:
+    strategy:
+      matrix:
+        go-version: ["1.19", "1.20", "1.21-rc.2"]
     runs-on: ubuntu-latest
     steps:
       - name: Install Go
         uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753
         with:
-          go-version: 'oldstable'
+          go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
       - name: Check module vendoring
@@ -21,23 +24,42 @@ jobs:
           go mod tidy
           go mod vendor
           git diff --exit-code
-
   build:
+    strategy:
+      matrix:
+        go-version: ["1.19", "1.20", "1.21-rc.2"]
     runs-on: ubuntu-latest
     needs: go-mod
     steps:
       - name: Install Go
         uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753
         with:
-          go-version: 'oldstable'
+          go-version: ${{ matrix.go-version }}
       - name: Checkout code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
       - name: Go code prechecks
         run: |
           go build ./...
-  lint:
+  unit-test:
+    strategy:
+      matrix:
+        go-version: ["1.19", "1.20", "1.21-rc.2"]
     runs-on: ubuntu-latest
     needs: build
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checkout code
+      - name: Checkout code
+        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+      - name: Go code prechecks
+        run: |
+          go test ./...
+  lint:
+    runs-on: ubuntu-latest
+    needs: unit-test
     steps:
       - name: Checkout code
         uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
@@ -51,17 +73,3 @@ jobs:
           # for output
           args: --config=.golangci.yml --verbose --out-${NO_FUTURE}format colored-line-number
           skip-cache: true
-
-  unit-test:
-    runs-on: ubuntu-latest
-    needs: lint
-    steps:
-      - name: Install Go
-        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753
-        with:
-          go-version: 'oldstable'
-      - name: Checkout code
-        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
-      - name: Go code prechecks
-        run: |
-          go test ./...