diff --git a/setup.py b/setup.py
index 0ef1848..4fcd693 100755
--- a/setup.py
+++ b/setup.py
@@ -95,7 +95,7 @@ class CustomDevelopCommand(develop):
 
 requirements = ['ftfy >= 3']
 if sys.version_info.major == 2:
-    requirements.append('functools32 == 3.2.3-1')
+    requirements.append('functools32 >= 3.2.3')
 
 setup(
     name="wordfreq",