diff --git a/.gitignore b/.gitignore
index b23a2adc..031d0a65 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,7 @@ obj
 *.pyproj
 *.sln
 *.suo
+
+# virtaulenv
+env/
+env*/
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index a2a94491..00000000
--- a/requirements.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-parsedatetime >= 1.2
-pytz >= 2013b
-pycrypto >= 2.6
-argparse==1.2.1
-tzlocal >= 1.0
-keyring==3.0.5
-python-dateutil==2.2
diff --git a/setup.py b/setup.py
index 27209fdb..6c20310f 100644
--- a/setup.py
+++ b/setup.py
@@ -72,7 +72,7 @@ setup(
     install_requires = [
         "parsedatetime>=1.2",
         "pytz>=2013b",
-        "tzlocal==1.0",
+        "tzlocal>=1.0",
         "keyring>=3.3",
         "python-dateutil>=2.2"
         ] + [p for p, cond in conditional_dependencies.items() if cond],