diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ab9e5ad..584c65d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python: ["3.9", "3.10", "3.11", "3.12"]
+        python: [ "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python }}
diff --git a/kmibot/modules/ferry/commands.py b/kmibot/modules/ferry/commands.py
index fe2288a..d65657d 100644
--- a/kmibot/modules/ferry/commands.py
+++ b/kmibot/modules/ferry/commands.py
@@ -123,7 +123,7 @@ async def handle_emoji(self, reaction: discord.Reaction, user: discord.User) ->
                 extra_messages=[
                     "Unfortunately, due to fraud, let's try that again...",
                     "",
-                ]
+                ],
             )
             return
 
diff --git a/pyproject.toml b/pyproject.toml
index ad21fd9..ff63153 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ ignore = [
 ]
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 
 [build-system]
 requires = ["poetry-core"]