diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7079e06..5d7a8a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [1.18, 1.21, 1.22, 1.24]
+        go-version: ['1.23', '1.24']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Go ${{ matrix.go-version }}