diff --git a/setup.py b/setup.py
index 6161a33..562cf6c 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,7 @@ def read(*parts):
     },
     test_suite="runtests.runtests",
     tests_require=[
+        "Pillow"
     ],
     install_requires=[
         "django-imagekit>=3.3",