diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 7b0aa28..944045f 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -16,11 +16,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu-latest", "macos-12", "macos-13", "macos-14", "windows-latest" ]
-        python-version: [ "3.11" ]
+        python-version: [ "3.12" ]
     defaults:
       run:
         shell: bash
     runs-on: ${{ matrix.os }}
+  
     steps:
       - name: Check out repository
         uses: actions/checkout@v3
@@ -49,3 +50,4 @@ jobs:
       - name: Run tests
         run: |
           poetry run pytest tests/c_bindings_test.py
+          poetry run pytest tests/poseidon_hash_test.py