diff --git a/setup.py b/setup.py
index 2110f34..51259fd 100644
--- a/setup.py
+++ b/setup.py
@@ -95,7 +95,7 @@ setuptools.setup(
         'PyQt5>=5.6.0',
         'Pillow>=5.2.0',
         'psutil>=5.0.0',
-        'python-slugify>=1.2.1,<8.0.0',
+        'python-slugify>=1.2.1,<9.0.0',
         'raven>=6.0.0',
         'mozjpeg-lossless-optimization>=1.1.2',
     ],