diff --git a/.github/workflows/_checks.yml b/.github/workflows/_checks.yml
index 9711b27..8e80bfb 100644
--- a/.github/workflows/_checks.yml
+++ b/.github/workflows/_checks.yml
@@ -12,8 +12,8 @@ jobs:
         with:
           enable-cache: true
           cache-dependency-glob: "**/pyproject.toml"
-      - run: uv python install 3.10
-      - run: uv python pin 3.10
+      - run: uv python install 3.11
+      - run: uv python pin 3.11
       - run: just install lint-ci
       - run: just adr-check
 
@@ -23,7 +23,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
@@ -55,7 +54,6 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
diff --git a/pyproject.toml b/pyproject.toml
index 0a98b8a..1120108 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,14 +2,13 @@
 name = "modern-di-aiogram"
 description = "modern-di integration for aiogram"
 authors = [{ name = "Artur Shiriev", email = "me@shiriev.ru" }]
-requires-python = ">=3.10,<4"
+requires-python = ">=3.11,<4"
 license = "MIT"
 readme = "README.md"
 keywords = ["dependency-injection", "di", "ioc-container", "modern-di", "aiogram", "telegram", "python"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
-    "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
diff --git a/tests/factories.py b/tests/factories.py
index 6b97633..f3244a1 100644
--- a/tests/factories.py
+++ b/tests/factories.py
@@ -8,7 +8,7 @@ def make_message_update(text: str = "hi", update_id: int = 1) -> Update:
         update_id=update_id,
         message=Message(
             message_id=1,
-            date=datetime.datetime.now(tz=datetime.timezone.utc),
+            date=datetime.datetime.now(tz=datetime.UTC),
             chat=Chat(id=1, type="private"),
             from_user=User(id=1, is_bot=False, first_name="Tester"),
             text=text,