diff --git a/requirements-dev.txt b/requirements-dev.txt
index 65fb7c2e27a..8b397947ce0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -67,7 +67,7 @@ tomli==2.4.1
 tomli_w==1.2.0
 tomlkit==0.13.3
 typing_extensions==4.15.0
-tzdata==2025.2
+tzdata==2026.2
 uritemplate==4.2.0
 urllib3==2.6.3
 wrapt==2.1.2