diff --git a/.github/workflows/api.yml b/.github/workflows/api.yml
index 8476e1783db..a1d3de863b0 100644
--- a/.github/workflows/api.yml
+++ b/.github/workflows/api.yml
@@ -31,17 +31,11 @@ jobs:
       - name: build and verify
         run: make api-verify
   lint:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - name: lint
         run: make api-lint
diff --git a/.github/workflows/backend.yml b/.github/workflows/backend.yml
index 0630b86fbd6..ccd69f2428c 100644
--- a/.github/workflows/backend.yml
+++ b/.github/workflows/backend.yml
@@ -13,19 +13,13 @@ on:
       - Makefile
 jobs:
   build:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         id: setup-go
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - name: go mod cache
         uses: actions/cache@v3
         with:
@@ -44,19 +38,13 @@ jobs:
             ${{ runner.os }}-go-build-
       - run: make backend
   test:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         id: setup-go
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - name: go mod cache
         uses: actions/cache@v3
         with:
@@ -83,19 +71,13 @@ jobs:
       - uses: actions/checkout@v3
       - run: make backend-integration-test
   lint:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         id: setup-go
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - name: go mod cache
         uses: actions/cache@v3
         with:
diff --git a/.github/workflows/frontend.yml b/.github/workflows/frontend.yml
index 0a33a6dd4d8..db15d95554c 100644
--- a/.github/workflows/frontend.yml
+++ b/.github/workflows/frontend.yml
@@ -75,12 +75,6 @@ jobs:
       - run: make frontend-verify
       - run: yarn --cwd frontend test:licenses
   test-e2e:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     name: test e2e
     runs-on: ubuntu-latest
     steps:
@@ -88,7 +82,7 @@ jobs:
       - uses: actions/setup-go@v3
         id: setup-go
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - uses: actions/setup-node@v3
         with:
           node-version: '16.x'
diff --git a/.github/workflows/scaffolding.yml b/.github/workflows/scaffolding.yml
index aaa298d3f50..8d828d5d87c 100644
--- a/.github/workflows/scaffolding.yml
+++ b/.github/workflows/scaffolding.yml
@@ -11,12 +11,6 @@ env:
   PACKAGEPATH: ${{ github.workspace }}/go/src/github.com/${{ github.repository }}
 jobs:
   build:
-    strategy:
-      matrix:
-        go-version:
-          - 1.17.x
-          - 1.19.x
-
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -24,7 +18,7 @@ jobs:
           path: ${{ env.PACKAGEPATH }}
       - uses: actions/setup-go@v3
         with:
-          go-version: ${{ matrix.go-version }}
+          go-version: 1.19.x
       - uses: actions/setup-node@v3
         with:
           node-version: '16.x'