diff --git a/poetry.lock b/poetry.lock
index 0ff1f38..a54e3d1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.4.3 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.5.1 and should not be changed by hand.
 
 [[package]]
 name = "argcomplete"
@@ -464,14 +464,14 @@ dev = ["black", "build", "mypy", "pytest", "pytest-cov", "setuptools", "tox", "t
 
 [[package]]
 name = "pytz"
-version = "2026.4"
+version = "2026.5"
 description = "World timezone definitions, modern and historical"
 optional = false
 python-versions = "*"
 groups = ["main"]
 files = [
-    {file = "pytz-2026.4-py2.py3-none-any.whl", hash = "sha256:9d514388fbc89ca0833203464272ac485b8828568ab73532f5020f17e892a0ff"},
-    {file = "pytz-2026.4.tar.gz", hash = "sha256:464303645bafafd72418898368b2429458f709cf1eb6a15372fbcc396b64da63"},
+    {file = "pytz-2026.5-py2.py3-none-any.whl", hash = "sha256:e658af3757f9e26a9d25dd2aff38335acd92bc9104f890a894b2c1ba28311b03"},
+    {file = "pytz-2026.5.tar.gz", hash = "sha256:fa23724b9c486543b9ff54a327ee7569ac83ade54bb9afd0fc18676620401c86"},
 ]
 
 [[package]]
@@ -613,4 +613,4 @@ tests = ["pytest", "pytest-cov"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12"
-content-hash = "18bc7d919bd42f73559beace8a7b9c9e8651eb50c145e0c1c07011ad58ff8c38"
+content-hash = "e8c837ddc79e777482a5014463812f5734baffe54c9c62e0c2e0f22e13fc6bd9"
diff --git a/pyproject.toml b/pyproject.toml
index 358ec30..c5eae6b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ dependencies = [
     "kosmorrolib (>=1.0,<2.0)",
     "python-dateutil (>=2.8,<3.0)",
     "Babel (>=2.9,<3.0)",
-    "pytz (>=2026.4,<2027.0)",
+    "pytz (>=2026.5,<2027.0)",
     "argcomplete (>=3.7.2,<4.0)",
 ]