diff --git a/pyproject.toml b/pyproject.toml
index d16e8b40..28bee690 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dev = [
     "colorama>=0.4.6,<0.5",
     "pygments~=2.13",
     "pytest-randomly~=3.12",
-    "pytz~=2023.3",
+    "pytz>=2023.3,<2027.0",
     "black>=22.10,<24.0",
     "autoflake~=2.0",
     "types-pytz~=2023.3",