diff --git a/setup.py b/setup.py
index a0bb8ce8..058c8de2 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@ if sys.argv[-1] == 'test':
 
 
 requirements = [
-    'requests>=1.0.4',
+    'requests>=1.2.3',
     'Pygments>=1.5'
 ]
 if sys.version_info[:2] in ((2, 6), (3, 1)):
diff --git a/tests/tests.py b/tests/tests.py
index c35eb53f..5ce3c4e0 100755
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -1170,6 +1170,8 @@ class ItemParsingTest(BaseTestCase):
             # files
             self.key_value_type('bar\\@baz@%s' % FILE_PATH_ARG)
         ])
+        # `requests.structures.CaseInsensitiveDict` => `dict`
+        headers = dict(headers._store.values())
         self.assertDictEqual(headers, {
             'foo:bar': 'baz',
             'jack@jill': 'hill',
@@ -1199,6 +1201,8 @@ class ItemParsingTest(BaseTestCase):
             self.key_value_type('test-file@%s' % FILE_PATH_ARG),
             self.key_value_type('query==value'),
         ])
+        # `requests.structures.CaseInsensitiveDict` => `dict`
+        headers = dict(headers._store.values())
         self.assertDictEqual(headers, {
             'header': 'value',
             'eh': ''