diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 69e5ba2..26bc845 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -24,13 +24,15 @@ jobs:
           - '3.12'
           - '3.13'
           - '3.14'
-          - 'pypy-3.9'
-          - 'pypy-3.10'
           - 'pypy-3.11'
-        os: [ubuntu-latest] #, windows-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
 
     name: ${{ matrix.os }} - ${{ matrix.python-version }}
     steps:
+    - name: Set git to not change line endings
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
     - uses: actions/checkout@v5
     - name: Get history and tags for SCM versioning to work
       run: |
diff --git a/tox.ini b/tox.ini
index b675d0c..9bcab79 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ envlist =
     # be sure to update the "depends" configurations elsewhere in this file.
     # This ensures that coverage is reported only after all tests have run.
     py{39, 310, 311, 312, 313, 314}
-    pypy{39, 310, 311}
+    pypy311
     coverage_report
 
 [testenv:coverage_erase]