diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..527a60b
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,6 @@
+-e .
+coveralls
+mockredispy
+django-redis-cache
+celery<5
+mock; python_version < '3.0'
diff --git a/tox.ini b/tox.ini
index 44675d9..f01f94d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,10 +24,7 @@ DJANGO =
 
 [testenv]
 deps =
-    coveralls
-    mockredispy
-    django-redis-cache
-    celery<5
+    -rrequirements.txt
     py27: mock
     django111: django>=1.11,<2.0
     django21: django>=2.1,<2.2