diff --git a/setup.py b/setup.py
index 7056b7e..03676cd 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 setup(
     name='drf-extra-fields',
-    version='3.1.0',
+    version='3.1.1',
     packages=['drf_extra_fields',
               'drf_extra_fields.runtests'],
     include_package_data=True,