diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e7843f..a4979d6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,7 +5,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [1.20.x, 1.21.x]
+        go-version: ['stable', 'oldstable']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: