diff --git a/setup.py b/setup.py
index 33fd784..060d451 100644
--- a/setup.py
+++ b/setup.py
@@ -26,10 +26,10 @@ def convert(filename, fmt):
     'Programming Language :: Python',
     'Topic :: Software Development :: Libraries :: Python Modules',
     'Development Status :: 4 - Beta',
-    'Programming Language :: Python :: 2.7',
     'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',
+    'Programming Language :: Python :: 3.7',
 ]
 
 setup(
@@ -46,4 +46,7 @@ def convert(filename, fmt):
     classifiers=CLASSIFIERS,
     packages=find_packages(exclude=['example', 'docs']),
     include_package_data=True,
+    install_requires=[
+        'whoosh==2.7.4',
+    ],
 )
diff --git a/tox.ini b/tox.ini
index c56154f..b82d6e1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,5 @@
 [tox]
-envlist = coverage-clean, py{27,34,35,36}-django{18,19,110,111,20}, coverage-report
-;envlist = py{36}-django{111}-win
+envlist = coverage-clean, py{34,35,36,37}-django{18,19,110,111,20,21,22}, coverage-report
 skipsdist = true
 
 [testenv]
@@ -19,24 +18,25 @@ whitelist_externals =
 platform=
 ;    linux: linux
 ;    win: win32
-    py27-django20: skip
 deps=
-    six==1.10.0
+    six==1.12.0
 ;    cssselect==0.9.2
 ;    pyquery==1.2.13
 ;    pygments==2.1.3
-    pytest==3.0.5
-    pytest-django==3.1.2
-    tox==2.3.1
-    coverage==4.2
+    pytest==5.0.1
+    pytest-django==3.5.1
+    tox==3.13.2
+    coverage==4.5.3
     backports.tempfile==1.0
     whoosh==2.7.4
 ;    django-sekizai==0.10
-    django18: Django~=1.8.14
-    django19: Django~=1.9.9
-    django110: Django~=1.10.4
-    django111: Django~=1.11.0
-    django20: Django~=2.0.03
+    django18: Django~=1.8.19
+    django19: Django~=1.9.13
+    django110: Django~=1.10.8
+    django111: Django~=1.11.22
+    django20: Django~=2.0.13
+    django21: Django~=2.1.10
+    django22: Django~=2.2.3
 
 
 [testenv:coverage-clean]