diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8442747cf..15c00fdc2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,20 +6,19 @@ on:
   pull_request:
     branches: [ main ]
 
+env:
+  GO_VERSION: '1.19.2'
+
 jobs:
   build:
     name: build
-    strategy:
-      matrix:
-        go_version:
-          - 1.19.2
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go ${{ matrix.go_version }}
+    - name: Set up Go ${{ env.GO_VERSION }}
       uses: actions/setup-go@v3
       with:
-        go-version: ${{ matrix.go_version }}
+        go-version: ${{ env.GO_VERSION }}
 
     - name: Setup buf action
       uses: bufbuild/buf-setup-action@v1