diff --git a/requirements-dev.txt b/requirements-dev.txt
index ca01fbc..20d1e61 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,4 +2,4 @@ pytest>=8.0
 pytest-asyncio>=0.23
 pytest-cov>=5.0
 ruff>=0.11.0
-tzdata>=2024.1
+tzdata>=2026.2