diff --git a/setup.py b/setup.py
index 6c20310f..d3d11c3c 100644
--- a/setup.py
+++ b/setup.py
@@ -72,7 +72,7 @@ setup(
     install_requires = [
         "parsedatetime>=1.2",
         "pytz>=2013b",
-        "tzlocal>=1.0",
+        "tzlocal>=1.1",
         "keyring>=3.3",
         "python-dateutil>=2.2"
         ] + [p for p, cond in conditional_dependencies.items() if cond],