diff --git a/poetry.lock b/poetry.lock
index a3ba4da..2eda493 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -785,13 +785,13 @@ pytest = [
 
 [[package]]
 name = "pytz"
-version = "2024.2"
+version = "2025.1"
 description = "World timezone definitions, modern and historical"
 optional = false
 python-versions = "*"
 files = [
-    {file = "pytz-2024.2-py2.py3-none-any.whl", hash = "sha256:31c7c1817eb7fae7ca4b8c7ee50c72f93aa2dd863de768e1ef4245d426aa0725"},
-    {file = "pytz-2024.2.tar.gz", hash = "sha256:2aa355083c50a0f93fa581709deac0c9ad65cca8a9e9beac660adcbd493c798a"},
+    {file = "pytz-2025.1-py2.py3-none-any.whl", hash = "sha256:89dd22dca55b46eac6eda23b2d72721bf1bdfef212645d81513ef5d03038de57"},
+    {file = "pytz-2025.1.tar.gz", hash = "sha256:c2db42be2a2518b28e65f9207c4d05e6ff547d1efa4086469ef855e4ab70178e"},
 ]
 
 [[package]]
@@ -1175,4 +1175,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "c94c2f0831e60c55ea80c2d60cad2fd047a587209de7f7ed12ef4185dc569525"
+content-hash = "2aeb86c8396899cc4270010b15053b2ed9a828158b56d5bd20290de9cbcc5449"
diff --git a/pyproject.toml b/pyproject.toml
index 8e6c7bb..cfbf470 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ sphinxcontrib-htmlhelp = "^2.1.0"
 sphinxcontrib-jsmath = "^1.0.1"
 sphinxcontrib-qthelp = "^2.0.0"
 sphinxcontrib-serializinghtml = "^2.0.0"
-pytz = "^2024.2"
+pytz = ">=2024.2,<2026.0"
 pyparsing = "^3.2.0"
 pygments = "^2.18.0"
 idna = "^3.10"