diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7768c8..5932bec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## [v2.2.1](https://github.com/mixpanel/mixpanel-unity/releases/tag/v2.2.1)
+### July 31st - 2020
+
+- Remove `$ios_ifa` user property for iOS devices: iOS 14 will not allow to read the IDFA value without permission.
+
+## Fixes
+- Improve objects re-utilization.
+
+---
+
 ## [v2.2.0](https://github.com/mixpanel/mixpanel-unity/releases/tag/v2.2.0)
 ### June 2nd - 2020
 
diff --git a/Mixpanel/MixpanelAPI.cs b/Mixpanel/MixpanelAPI.cs
index 292a58c..989b631 100644
--- a/Mixpanel/MixpanelAPI.cs
+++ b/Mixpanel/MixpanelAPI.cs
@@ -18,7 +18,7 @@ namespace mixpanel
     /// </code>
     public static partial class Mixpanel
     {
-        internal const string MixpanelUnityVersion = "2.2.0";
+        internal const string MixpanelUnityVersion = "2.2.1";
 
         /// <summary>
         /// Creates an Mixpanel instance. Use only if you have enabled "Manual Initialization" from your Project Settings.
diff --git a/README.md b/README.md
index c59127c..0035c6a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 Latest Version 
 --------------
-##### _June 2nd, 2020_ - [v2.2.0](https://github.com/mixpanel/mixpanel-unity/releases/tag/v2.2.0)
+##### _July 31st, 2020_ - [v2.2.1](https://github.com/mixpanel/mixpanel-unity/releases/tag/v2.2.1)
 
 Supported Unity Version >= 2018.3. For older versions, you need to have `.NET 4.x Equivalent` selected as the scripting runtime version in your editor settings.
 
@@ -16,7 +16,7 @@ This library can be installed using the unity package manager system (Unity >= 2
 1. In your unity project root open `./Packages/manifest.json`
 2. Add the following line to the dependencies section:
 ```
-"com.mixpanel.unity": "https://github.com/mixpanel/mixpanel-unity.git#v2.2.0"
+"com.mixpanel.unity": "https://github.com/mixpanel/mixpanel-unity.git#v2.2.1"
 ```
 3. Open Unity and the package should download automatically
 
diff --git a/package.json b/package.json
index f4089a1..dd2d6a7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "com.mixpanel.unity",
   "displayName":  "Mixpanel",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "Official Mixpanel library for Unity.",
   "repository": {
     "type": "git",