diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 14fd8c6..00a1d28 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [Ubuntu, MacOS]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     defaults:
       run:
         shell: bash
@@ -25,10 +25,11 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         id: setup-python
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Install poetry
         run: |
@@ -45,7 +46,7 @@ jobs:
         run: poetry config virtualenvs.in-project true
 
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           path: .venv
diff --git a/poetry_dotenv_plugin/dotenv_plugin.py b/poetry_dotenv_plugin/dotenv_plugin.py
index e248e86..05776c1 100644
--- a/poetry_dotenv_plugin/dotenv_plugin.py
+++ b/poetry_dotenv_plugin/dotenv_plugin.py
@@ -1,25 +1,24 @@
 import os
 
-from cleo.events.console_events import COMMAND
 import dotenv
+from cleo.events.console_command_event import ConsoleCommandEvent
+from cleo.events.console_events import COMMAND
+from cleo.events.event_dispatcher import EventDispatcher
 from poetry.console.application import Application
 from poetry.console.commands.env_command import EnvCommand
 from poetry.plugins.application_plugin import ApplicationPlugin
 
+
 class DotenvPlugin(ApplicationPlugin):
-    def activate(self, application):
-        application.event_dispatcher.add_listener(COMMAND, self.load_dotenv)
+    def activate(self, application: Application) -> None:
+        application.event_dispatcher.add_listener(COMMAND, self.load_dotenv)  # type:ignore
 
     def load_dotenv(
-        self,
-        event,
-        event_name,
-        dispatcher
-    ):
+        self, event: ConsoleCommandEvent, event_name: str, dispatcher: EventDispatcher
+    ) -> None:
         POETRY_DONT_LOAD_ENV = bool(os.environ.get("POETRY_DONT_LOAD_ENV"))
-        command = event.command
 
-        if not isinstance(command, EnvCommand) or POETRY_DONT_LOAD_ENV:
+        if POETRY_DONT_LOAD_ENV or not isinstance(event.command, EnvCommand):
             return
 
         POETRY_DOTENV_LOCATION = os.environ.get("POETRY_DOTENV_LOCATION")
@@ -30,7 +29,7 @@ def load_dotenv(
 
         path = POETRY_DOTENV_LOCATION or dotenv.find_dotenv(usecwd=True)
         POETRY_DOTENV_DONT_OVERRIDE = os.environ.get("POETRY_DOTENV_DONT_OVERRIDE", "")
-        DOTENV_OVERRIDE = not POETRY_DOTENV_DONT_OVERRIDE.lower() in (
+        DOTENV_OVERRIDE = POETRY_DOTENV_DONT_OVERRIDE.lower() not in (
             "true",
             "1",
         )