diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a0cfc91..96fe492 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,8 +11,8 @@ jobs:
         strategy:
             matrix:
                 py:
-                    - "3.12"
-                    - "pypy3.12"
+                    - "3.11"
+                    - "pypy3.11"
                 os:
                     - "macos-latest"
                 architecture:
@@ -42,7 +42,7 @@ jobs:
             - name: Setup python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.12
+                  python-version: 3.11
                   architecture: x64
             - name: Install dependencies
               run: make build-for-test
@@ -56,7 +56,7 @@ jobs:
             - name: Setup python
               uses: actions/setup-python@v4
               with:
-                  python-version: 3.12
+                  python-version: 3.11
                   architecture: x64
             - name: Install dependencies
               run: make build