diff --git a/LightweightIocContainer/LightweightIocContainer.csproj b/LightweightIocContainer/LightweightIocContainer.csproj
index 0c39e1c..98c38c8 100644
--- a/LightweightIocContainer/LightweightIocContainer.csproj
+++ b/LightweightIocContainer/LightweightIocContainer.csproj
@@ -11,7 +11,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <DocumentationFile>LightweightIocContainer.xml</DocumentationFile>
     <VersionPrefix>4.0.0</VersionPrefix>
-    <VersionSuffix>beta3</VersionSuffix>
+    <VersionSuffix>beta4</VersionSuffix>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/README.md b/README.md
index 9ac27ba..0422abc 100644
--- a/README.md
+++ b/README.md
@@ -16,13 +16,13 @@ The easiest way to [install](https://github.com/SimonG96/LightweightIocContainer
 You can either use the [`PackageManager`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#packagemanager) in VisualStudio:
 
 ```PM
-PM> Install-Package LightweightIocContainer -Version 4.0.0-beta3
+PM> Install-Package LightweightIocContainer -Version 4.0.0-beta4
 ```
 
 or you can use the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
 
 ```.net
-> dotnet add package LightweightIocContainer --version 4.0.0-beta3
+> dotnet add package LightweightIocContainer --version 4.0.0-beta4
 ```
 
 ### Example usage