diff --git a/tests/integration/test_wild.py b/tests/integration/test_wild.py
index 06be0f5..e32e1ef 100644
--- a/tests/integration/test_wild.py
+++ b/tests/integration/test_wild.py
@@ -64,3 +64,11 @@ def test_cookies(tmpdir):
         r1 = s.get("http://httpbin.org/cookies/set?k1=v1&k2=v2")
         r2 = s.get("http://httpbin.org/cookies")
         assert len(r2.json()['cookies']) == 2
+
+
+def test_amazon_doctype(tmpdir):
+    # amazon gzips its homepage.  For some reason, in requests 2.7, it's not
+    # getting gunzipped.
+    with vcr.use_cassette(str(tmpdir.join('amz.yml'))):
+        r = requests.get('http://www.amazon.com')
+    assert 'html' in r.text
diff --git a/tox.ini b/tox.ini
index 301728a..50cecc3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = {py26,py27,py33,py34,pypy}-{requests27,requests25,requests24,requests23,requests22,requests1,httplib2,urllib317,urllib319,urllib3110,boto}
+envlist = {py26,py27,py33,py34,pypy}-{requests27,requests26,requests25,requests24,requests23,requests22,requests1,httplib2,urllib317,urllib319,urllib3110,boto}
 
 [testenv]
 commands =
@@ -15,12 +15,14 @@ deps =
     pytest
     pytest-localserver
     PyYAML
+    lxml
     requests1: requests==1.2.3
+    requests27: requests==2.7.0
+    requests22: requests==2.6.0
     requests25: requests==2.5.0
     requests24: requests==2.4.0
     requests23: requests==2.3.0
     requests22: requests==2.2.1
-    requests27: requests==2.7.0
     httplib2: httplib2
     urllib317: urllib3==1.7.1
     urllib319: urllib3==1.9.1