diff --git a/poetry.lock b/poetry.lock
index 7925401..2bcb455 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -464,14 +464,14 @@ dev = ["black", "build", "mypy", "pytest", "pytest-cov", "setuptools", "tox", "t
 
 [[package]]
 name = "pytz"
-version = "2026.5"
+version = "2026.6"
 description = "World timezone definitions, modern and historical"
 optional = false
 python-versions = "*"
 groups = ["main"]
 files = [
-    {file = "pytz-2026.5-py2.py3-none-any.whl", hash = "sha256:e658af3757f9e26a9d25dd2aff38335acd92bc9104f890a894b2c1ba28311b03"},
-    {file = "pytz-2026.5.tar.gz", hash = "sha256:fa23724b9c486543b9ff54a327ee7569ac83ade54bb9afd0fc18676620401c86"},
+    {file = "pytz-2026.6-py2.py3-none-any.whl", hash = "sha256:7fed3fee8fd6bd4a2b7b75a8d56021d0624127bf69bd5691f115db929ac570b3"},
+    {file = "pytz-2026.6.tar.gz", hash = "sha256:3b0fc2727707663d6e517936f444fd8a8b240f1fc32f4bf7ee03274245945284"},
 ]
 
 [[package]]
@@ -613,4 +613,4 @@ tests = ["pytest", "pytest-cov"]
 [metadata]
 lock-version = "2.1"
 python-versions = "^3.12"
-content-hash = "9c86682d7d42455938f92ecdb971a0181cf04d470bf346964b5570ceaedd8235"
+content-hash = "0c31726e4deec61544c9e72460d4bc76b3eb9b58a8898460133634747119a947"
diff --git a/pyproject.toml b/pyproject.toml
index d8e98ba..b74320e 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 (>=2026.5,<2027.0)",
+    "pytz (>=2026.6,<2027.0)",
     "argcomplete (>=3.7.2,<4.0)",
 ]