diff --git a/.dockerignore b/.dockerignore
index 4caaa77..aaba8ff 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -2,7 +2,6 @@
 .coverage
 .gitignore
 .idea
-.mypy_cache
 .ruff_cache
 .vscode
 .git
diff --git a/.gitignore b/.gitignore
index 068012f..8cf31db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,7 +9,6 @@ __pycache__/*
 .idea
 .DS_Store
 .env
-.mypy_cache
 .pytest_cache
 .ruff_cache
 .coverage
diff --git a/Justfile b/Justfile
index 2cfcf21..7493538 100644
--- a/Justfile
+++ b/Justfile
@@ -20,13 +20,13 @@ lint:
     uv run eof-fixer .
     uv run ruff format
     uv run ruff check --fix
-    uv run mypy .
+    uv run ty check
 
 lint-ci:
     uv run eof-fixer . --check
     uv run ruff format --check
     uv run ruff check --no-fix
-    uv run mypy .
+    uv run ty check
 
 publish:
     rm -rf dist
diff --git a/README.md b/README.md
index 4b74828..e7d02ed 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,5 @@
 # Redis Timers
 
-[![MyPy Strict](https://img.shields.io/badge/mypy-strict-blue)](https://mypy.readthedocs.io/en/stable/getting_started.html#strict-mode-and-configuration)
 [![Supported versions](https://img.shields.io/pypi/pyversions/redis-timers.svg)](https://pypi.python.org/pypi/redis-timers)
 [![downloads](https://img.shields.io/pypi/dm/redis-timers.svg)](https://pypistats.org/packages/redis-timers)
 [![GitHub stars](https://img.shields.io/github/stars/modern-python/redis-timers)](https://github.com/modern-python/redis-timers/stargazers)
diff --git a/pyproject.toml b/pyproject.toml
index f70608f..578ae84 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ dev = [
 lint = [
     # linters
     "ruff",
-    "mypy",
+    "ty",
     "eof-fixer",
     # stubs
     "types-redis",
@@ -36,10 +36,6 @@ build-backend = "uv_build"
 module-name = "redis_timers"
 module-root = ""
 
-[tool.mypy]
-python_version = "3.13"
-strict = true
-
 [tool.ruff]
 fix = true
 unsafe-fixes = true
diff --git a/redis_timers/timers.py b/redis_timers/timers.py
index 2533bfa..36a8656 100644
--- a/redis_timers/timers.py
+++ b/redis_timers/timers.py
@@ -32,7 +32,7 @@ class Timers:
     def __init__(
         self,
         *,
-        redis_client: Redis,  # type: ignore[type-arg]
+        redis_client: Redis,
         context: dict[str, typing.Any],
         routers: list[Router] | None = None,
     ) -> None:
@@ -64,7 +64,7 @@ async def fetch_ready_timers(self, timestamp: datetime.datetime) -> list[str]:
         )
 
     async def _handle_one_timer(self, timer_key: str) -> None:
-        topic = timer_key.split(settings.TIMERS_SEPARATOR)[0]
+        topic = timer_key.split(settings.TIMERS_SEPARATOR, maxsplit=1)[0]
         handler = self.handlers_by_topics.get(topic)
         if not handler:
             logger.error(f"Handler is not found, {timer_key=}")