diff --git a/pyproject.toml b/pyproject.toml
index e7af3d3..9d31262 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,6 +20,7 @@ dependencies = [
 dev = [
     "pytest>=9.0.2",
     "ruff==0.15.5",
+    "pytz"
     # "playwright==1.58.0" # only dev because it cant be installed in a pipeline, just locally
 ]