diff --git a/LightweightIocContainer/LightweightIocContainer.csproj b/LightweightIocContainer/LightweightIocContainer.csproj
index 2598fe1..a38033c 100644
--- a/LightweightIocContainer/LightweightIocContainer.csproj
+++ b/LightweightIocContainer/LightweightIocContainer.csproj
@@ -10,7 +10,8 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <DocumentationFile>LightweightIocContainer.xml</DocumentationFile>
-    <VersionPrefix>4.0.0-beta</VersionPrefix>
+    <VersionPrefix>4.0.0</VersionPrefix>
+    <VersionSuffix>beta</VersionSuffix>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/Test.LightweightIocContainer/Test.LightweightIocContainer.csproj b/Test.LightweightIocContainer/Test.LightweightIocContainer.csproj
index da2052a..1744352 100644
--- a/Test.LightweightIocContainer/Test.LightweightIocContainer.csproj
+++ b/Test.LightweightIocContainer/Test.LightweightIocContainer.csproj
@@ -6,7 +6,6 @@
     <Authors>SimonG</Authors>
     <LangVersion>default</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
-    <VersionPrefix>4.0.0-beta</VersionPrefix>
   </PropertyGroup>
 
   <ItemGroup>