diff --git a/requirements.txt b/requirements.txt
index f32ebeb..2e861fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,4 @@ pydantic==2.13.4
 pydantic_core==2.47.0
 typing-inspection==0.4.2
 typing_extensions==4.15.0
-tzdata==2026.2
+tzdata==2026.3