diff --git a/setup.py b/setup.py
index 2446f21..f18402e 100755
--- a/setup.py
+++ b/setup.py
@@ -125,7 +125,7 @@
 Optional requirements::
 
     - ``setuptools``, **version >= 0.6**
-    - ``dill``, **version >= 0.3.3**
+    - ``dill``, **version >= 0.3.4**
 
 
 More Information
@@ -195,7 +195,7 @@
 if has_setuptools:
     kwds.update({
         "zip_safe" : False,
-        "extras_require" : {'dill': ['dill>=0.3.3']},
+        "extras_require" : {'dill': ['dill>=0.3.4']},
     })
 if has_setuptools and pyversion > 2:
     kwds.update({