diff --git a/kindlecomicconverter/shared.py b/kindlecomicconverter/shared.py
index 507873b1..5c1136b0 100644
--- a/kindlecomicconverter/shared.py
+++ b/kindlecomicconverter/shared.py
@@ -117,7 +117,10 @@ def dependencyCheck(level):
         except ImportError:
             missing.append('psutil 5.0.0+')
         try:
+            from types import ModuleType
             from slugify import __version__ as slugifyVersion
+            if isinstance(slugifyVersion, ModuleType):
+                slugifyVersion = slugifyVersion.__version__
             if StrictVersion('1.2.1') > StrictVersion(slugifyVersion):
                 missing.append('python-slugify 1.2.1+')
         except ImportError:
diff --git a/requirements.txt b/requirements.txt
index 7a86437b..0574d241 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 PyQt5>=5.6.0
 Pillow>=5.2.0
 psutil>=5.0.0
-python-slugify>=1.2.1,<3.0.0
+python-slugify>=1.2.1,<8.0.0
 raven>=6.0.0
 # PyQt5-tools
 mozjpeg-lossless-optimization
\ No newline at end of file
diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index a10d8ff9..343eb4a2
--- a/setup.py
+++ b/setup.py
@@ -94,7 +94,7 @@ def run(self):
         'PyQt5>=5.6.0',
         'Pillow>=5.2.0',
         'psutil>=5.0.0',
-        'python-slugify>=1.2.1,<3.0.0',
+        'python-slugify>=1.2.1,<8.0.0',
         'raven>=6.0.0',
     ],
     classifiers=[],