diff --git a/pyproject.toml b/pyproject.toml
index 9070964..237f9fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dependencies = [
     "recurring-ical-events==3.8.2",
     "click==8.4.2",
     "x-wr-timezone==2.0.1",
-    "tzlocal==5.4.3",
+    "tzlocal==5.4.4",
     "tzdata==2026.2",
     "python-dateutil==2.9.0.post0",
     "six==1.17.0",