diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 95a4c4a..5d681e7 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -16,14 +16,20 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         include:
           - os: macos-10.15
-            python-version: ["3.6", "3.7"]
+            python-version: "3.6"
           - os: ubuntu-20.04
-            python-version: ["3.6", "3.7"]
+            python-version: "3.6"
           - os: windows-2019
-            python-version: ["3.6", "3.7"]
+            python-version: "3.6"
+          - os: macos-10.15
+            python-version: "3.7"
+          - os: ubuntu-20.04
+            python-version: "3.7"
+          - os: windows-2019
+            python-version: "3.7"
 
     runs-on: ${{ matrix.os }}