diff --git a/pyproject.toml b/pyproject.toml
index 052db5de..e7d08848 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "aiohttp>=3.8.5,<4.0.0",
     "pyee>=9.0.4,<13.0.0",
     "httpx>=0.28,<0.29",
-    "tzdata>=2022.2,<2025.0",
+    "tzdata>=2025.1,<2025.2",
     "pydantic>=2.2.1,<3.0.0",
     "structlog>=25.1,<25.2",
     "multidict>=6.0.5,<7.0.0",
diff --git a/uv.lock b/uv.lock
index 52dae544..ff7f17e7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1991,7 +1991,7 @@ requires-dist = [
     { name = "redis", marker = "extra == 'redis'", specifier = ">=4.3.4,<6.0.0" },
     { name = "slack-sdk", specifier = ">=3.18.1,<4.0.0" },
     { name = "structlog", specifier = ">=25.1,<25.2" },
-    { name = "tzdata", specifier = ">=2022.2,<2025.0" },
+    { name = "tzdata", specifier = ">=2025.1,<2025.2" },
 ]
 
 [package.metadata.requires-dev]
@@ -2235,11 +2235,11 @@ wheels = [
 
 [[package]]
 name = "tzdata"
-version = "2024.2"
+version = "2025.1"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/e1/34/943888654477a574a86a98e9896bae89c7aa15078ec29f490fef2f1e5384/tzdata-2024.2.tar.gz", hash = "sha256:7d85cc416e9382e69095b7bdf4afd9e3880418a2413feec7069d533d6b4e31cc", size = 193282 }
+sdist = { url = "https://files.pythonhosted.org/packages/43/0f/fa4723f22942480be4ca9527bbde8d43f6c3f2fe8412f00e7f5f6746bc8b/tzdata-2025.1.tar.gz", hash = "sha256:24894909e88cdb28bd1636c6887801df64cb485bd593f2fd83ef29075a81d694", size = 194950 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a6/ab/7e5f53c3b9d14972843a647d8d7a853969a58aecc7559cb3267302c94774/tzdata-2024.2-py2.py3-none-any.whl", hash = "sha256:a48093786cdcde33cad18c2555e8532f34422074448fbc874186f0abd79565cd", size = 346586 },
+    { url = "https://files.pythonhosted.org/packages/0f/dd/84f10e23edd882c6f968c21c2434fe67bd4a528967067515feca9e611e5e/tzdata-2025.1-py2.py3-none-any.whl", hash = "sha256:7e127113816800496f027041c570f50bcd464a020098a3b6b199517772303639", size = 346762 },
 ]
 
 [[package]]