diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3fbfd353..93b4421a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Backtrace Unity Release Notes
 
+## Version 3.8.7
+
+Bugfixes
+- Changed uname.sysname attribute from IOS to iOS.
+- Do not report OOMs generated when application is in background.
+ 
+Improvements
+- Added an option to define breadcrumb type.
+- Allow to use not available configuration options on specific platform.
+
 ## Version 3.8.6
 
 Bugfixes
diff --git a/Runtime/BacktraceClient.cs b/Runtime/BacktraceClient.cs
index 3bb58ef4..89df8d80 100644
--- a/Runtime/BacktraceClient.cs
+++ b/Runtime/BacktraceClient.cs
@@ -24,7 +24,7 @@ namespace Backtrace.Unity
     /// </summary>
     public class BacktraceClient : MonoBehaviour, IBacktraceClient
     {
-        public const string VERSION = "3.8.6";
+        public const string VERSION = "3.8.7";
         internal const string DefaultBacktraceGameObjectName = "BacktraceClient";
         public BacktraceConfiguration Configuration;
 
diff --git a/Runtime/Model/BacktraceHttpClient.cs b/Runtime/Model/BacktraceHttpClient.cs
index fda1d611..19097591 100644
--- a/Runtime/Model/BacktraceHttpClient.cs
+++ b/Runtime/Model/BacktraceHttpClient.cs
@@ -98,6 +98,7 @@ private UnityWebRequest Post(string submissionUrl, List<IMultipartFormSection> f
             request.timeout = RequestTimeout;
             request.IgnoreSsl(IgnoreSslValidation);
             request.SetMultipartFormData(boundaryIdBytes);
+            source.SetRequestHeader(ContentTypeHeader, string.Format("{0}{1}", multipartContentTypePrefix, Encoding.UTF8.GetString(boundaryId)));
             return request;
         }
 
diff --git a/package.json b/package.json
index 68341a11..492c6752 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "io.backtrace.unity",
   "displayName": "Backtrace",
-  "version": "3.8.6",
+  "version": "3.8.7",
   "unity": "2017.1",
   "description": "Backtrace's integration with Unity games allows customers to capture and report handled and unhandled Unity exceptions to their Backtrace instance, instantly offering the ability to prioritize and debug software errors.",
   "keywords": [