diff --git a/Redis on Windows Release Notes.md b/Redis on Windows Release Notes.md
index 635d42fd3e7be8ab3159570849274d73f806bb8d..7e494ac8bd09eb1b0407a89fdb3d7b63520080b3 100644
--- a/Redis on Windows Release Notes.md	
+++ b/Redis on Windows Release Notes.md	
@@ -1,5 +1,11 @@
 MSOpenTech Redis on Windows 3.0 Release Notes
 =============================================
+--[ Redis on Windows 3.0.504 ] Release date: Jul 01 2016
+
+ - [Fix] Use overlapped sockets for cluster failover communication.
+ - [Portability] strtol and strtoul fixes.
+ - [Docs] Added Microsoft Open Source Code of Conduct.
+
 --[ Redis on Windows 3.0.503 ] Release date: Jun 21 2016
 
  - [Fix] Possible AV during background save.
diff --git a/appveyor.yml b/appveyor.yml
index 696b93ed56cad5cc22a485b7a3fcc369f6ce85d9..0e465827823fdc40efe22b444852753923ee1ed9 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 3.0.503.{build}
+version: 3.0.504.{build}
 
 branches:
 # whitelist
diff --git a/msvs/msi/RedisMsi/Product.wxs b/msvs/msi/RedisMsi/Product.wxs
index ca916ee48222d527881acf34b78302c498df6d33..be67a451a0ac60822537c122550f9600de7e727e 100644
--- a/msvs/msi/RedisMsi/Product.wxs
+++ b/msvs/msi/RedisMsi/Product.wxs
@@ -21,7 +21,7 @@
     <Product Id="*"
              Name="Redis on Windows"
              Language="1033"
-             Version="3.0.503"
+             Version="3.0.504"
              Manufacturer="MSOpenTech"
              UpgradeCode="{05410198-7212-4FC4-B7C8-AFEFC3DA0FBC}">
         <Package InstallerVersion="200"
diff --git a/msvs/setups/chocolatey/Redis.nuspec b/msvs/setups/chocolatey/Redis.nuspec
index 5f38d0a2605df7dd2274c2da121ed19287872da1..b45669a9026b6b0d2ff3991b2934822ca047ee05 100644
--- a/msvs/setups/chocolatey/Redis.nuspec
+++ b/msvs/setups/chocolatey/Redis.nuspec
@@ -3,7 +3,7 @@
   <metadata>
     <id>redis-64</id>
     <title>Redis 64-bit</title>
-    <version>3.0.503</version>
+    <version>3.0.504</version>
     <authors>Alexis Campailla, Enrico Giordani, Jonathan Pickett</authors>
     <owners>Microsoft Open Technologies, Inc.</owners>
     <description>A porting of Redis on Windows 64-bit.  
diff --git a/msvs/setups/nuget/Redis.nuspec b/msvs/setups/nuget/Redis.nuspec
index cd4a0277b8ec840bb19887803e0fc6f8f48abbae..197badde6684a8ef00e4d7a24b286db02e2cda46 100644
--- a/msvs/setups/nuget/Redis.nuspec
+++ b/msvs/setups/nuget/Redis.nuspec
@@ -3,7 +3,7 @@
   <metadata>
     <id>redis-64</id>
     <title>Redis 64-bit</title>
-    <version>3.0.503</version>
+    <version>3.0.504</version>
     <authors>Alexis Campailla, Enrico Giordani, Jonathan Pickett</authors>
     <owners>Microsoft Open Technologies, Inc.</owners>
     <description>A porting of Redis on Windows 64-bit.  
diff --git a/src/version.h b/src/version.h
index 89071d18154fb18b26d4e5107fd16f3c46c9264a..75eb13142f2a598dc191aa13e2343a62a6e58ec9 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1 +1 @@
-#define REDIS_VERSION "3.0.503"
+#define REDIS_VERSION "3.0.504"