diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bf980dd..9b49875 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [ 1.20 1.21 1.22 ]
+        go-version: [ '1.20' '1.21' '1.22' ]
 
     runs-on: ubuntu-latest
     steps:
@@ -19,6 +19,6 @@ jobs:
 
     - uses: actions/setup-go@v5
       with:
-        go-version: matrix.go-version
+        go-version: ${{ matrix.go-version }}
 
     - run: go test -v ./...