diff --git a/CHANGES.rst b/CHANGES.rst
index dd8d533..8ccd220 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,13 @@ Changes
 =======
 
 
+5.0.4 (2019-05-09)
+------------------
+
+- Fix regression with OAuth2 authentication backends not having remote
+  IP addresses set and throwing an exception in cache key calculation.
+
+
 5.0.3 (2019-05-08)
 ------------------
 
diff --git a/axes/__init__.py b/axes/__init__.py
index 5007281..af06388 100644
--- a/axes/__init__.py
+++ b/axes/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '5.0.3'
+__version__ = '5.0.4'
 
 default_app_config = 'axes.apps.AppConfig'