diff --git a/requirements-dev-exp.txt b/requirements-dev-exp.txt
index 7881e9018..8872d66ec 100644
--- a/requirements-dev-exp.txt
+++ b/requirements-dev-exp.txt
@@ -85,6 +85,6 @@ starlette>=0.52.1
 tomlkit>=0.14.0
 tornado>=6.5.5
 traits>=7.1.0
-tzdata>=2025.3
+tzdata>=2026.2
 urllib3>=2.6.3
 uvicorn>=0.40.0