diff --git a/.github/workflows/mypy.yml b/.github/workflows/mypy.yml
index 3f241c2..ae04f10 100644
--- a/.github/workflows/mypy.yml
+++ b/.github/workflows/mypy.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     name: Python ${{ matrix.python-version }} sample
 
     steps:
@@ -30,4 +30,3 @@ jobs:
     - name: Test with MyPy
       run: |
         poetry run mypy .
-