diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54fee97..84c18b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## Lib.AspNetCore.ServerSentEvents 5.0.0
+### Additions and Changes
+- Changed the collection of key/value pairs to store additional information for clients to thread safe methods (thank you @sebastiano1972)
+### Bug Fixes
+- Fixed Accept request header validation so request without it are processed.
+- Fixed ClientConnected and ClientDisconnected events not firing for custom ServerSentEventsService implementations.
+
 ## Lib.AspNetCore.ServerSentEvents 4.1.0
 ### Additions and Changes
 - Added a collection of key/value pairs to store additional information for clients (thank you @sebastiano1972)
diff --git a/Lib.AspNetCore.ServerSentEvents/Lib.AspNetCore.ServerSentEvents.csproj b/Lib.AspNetCore.ServerSentEvents/Lib.AspNetCore.ServerSentEvents.csproj
index 2aaa000..29e5651 100644
--- a/Lib.AspNetCore.ServerSentEvents/Lib.AspNetCore.ServerSentEvents.csproj
+++ b/Lib.AspNetCore.ServerSentEvents/Lib.AspNetCore.ServerSentEvents.csproj
@@ -3,7 +3,7 @@
     <Description>Lib.AspNetCore.ServerSentEvents is a library which provides Server-Sent Events (SSE) support for ASP.NET Core</Description>
     <Copyright>Copyright © 2017 - 2020 Tomasz Pęczek</Copyright>
     <VersionPrefix>5.0.0</VersionPrefix>
-    <VersionSuffix>alpha3</VersionSuffix>
+    <VersionSuffix></VersionSuffix>
     <Authors>Tomasz Pęczek</Authors>
     <TargetFrameworks>netcoreapp2.1;netcoreapp3.0;net461</TargetFrameworks>
     <AssemblyTitle>Lib.AspNetCore.ServerSentEvents</AssemblyTitle>