diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40ce024..906f9fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: [3.2, 3.1, 3.0, 2.7, 2.6, 2.5]
+        ruby-version: [3.2, 3.1, 3.0, 2.7]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby ${{ matrix.ruby-version }}
@@ -23,4 +23,4 @@ jobs:
       - name: Compile
         run: bundle exec rake compile
       - name: Run tests
-        run: bundle exec rake
\ No newline at end of file
+        run: bundle exec rake