diff --git a/LightweightIocContainer.Validation/LightweightIocContainer.Validation.csproj b/LightweightIocContainer.Validation/LightweightIocContainer.Validation.csproj
index 3388d6e..68818a7 100644
--- a/LightweightIocContainer.Validation/LightweightIocContainer.Validation.csproj
+++ b/LightweightIocContainer.Validation/LightweightIocContainer.Validation.csproj
@@ -10,7 +10,7 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <DocumentationFile>LightweightIocContainer.Validation.xml</DocumentationFile>
-    <VersionPrefix>4.0.0</VersionPrefix>
+    <VersionPrefix>4.1.0</VersionPrefix>
   </PropertyGroup>
   
   <PropertyGroup>
diff --git a/LightweightIocContainer.Validation/README.md b/LightweightIocContainer.Validation/README.md
index 3ee5899..65092e9 100644
--- a/LightweightIocContainer.Validation/README.md
+++ b/LightweightIocContainer.Validation/README.md
@@ -5,7 +5,7 @@
 The easiest way to [install](https://github.com/SimonG96/LghtweightIocContainer/wiki/Install-Lightweight-IOC-Container) the Lightweight IOC Container is by using [NuGet](https://www.nuget.org/packages/LightweightIocContainer.Validation/) through the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
 
 ```.net
-> dotnet add package LightweightIocContainer.Validaton --version 4.0.0
+> dotnet add package LightweightIocContainer.Validaton --version 4.1.0
 ```
 
 ### Validation
diff --git a/LightweightIocContainer/LightweightIocContainer.csproj b/LightweightIocContainer/LightweightIocContainer.csproj
index b017874..3fe5c67 100644
--- a/LightweightIocContainer/LightweightIocContainer.csproj
+++ b/LightweightIocContainer/LightweightIocContainer.csproj
@@ -10,7 +10,7 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <DocumentationFile>LightweightIocContainer.xml</DocumentationFile>
-    <VersionPrefix>4.0.0</VersionPrefix>
+    <VersionPrefix>4.1.0</VersionPrefix>
   </PropertyGroup>
 
   <PropertyGroup>
diff --git a/LightweightIocContainer/LightweightIocContainer.xml b/LightweightIocContainer/LightweightIocContainer.xml
index 502c9f8..a215c98 100644
--- a/LightweightIocContainer/LightweightIocContainer.xml
+++ b/LightweightIocContainer/LightweightIocContainer.xml
@@ -49,7 +49,7 @@
             The <see cref="T:LightweightIocContainer.IocContainer"/> is responsible for disposing the instance when itself is disposed
             </summary>
         </member>
-        <member name="M:LightweightIocContainer.EnumerableExtension.FirstOrGiven``2(System.Collections.Generic.IEnumerable{``0})">
+        <member name="M:LightweightIocContainer.EnumerableExtension.FirstOrGiven``2(System.Collections.Generic.IReadOnlyCollection{``0})">
             <summary>
             Returns the first element of a <see cref="T:System.Collections.Generic.IEnumerable`1"/>, or a new instance of a given <see cref="T:System.Type"/> if the <see cref="T:System.Collections.Generic.IEnumerable`1"/> contains no elements
             </summary>
@@ -58,7 +58,7 @@
             <param name="source">The given <see cref="T:System.Collections.Generic.IEnumerable`1"/></param>
             <returns>The first element of the <see cref="T:System.Collections.Generic.IEnumerable`1"/>, or a new instance of a given <see cref="T:System.Type"/> if the <see cref="T:System.Collections.Generic.IEnumerable`1"/> contains no elements</returns>
         </member>
-        <member name="M:LightweightIocContainer.EnumerableExtension.FirstOrGiven``2(System.Collections.Generic.IEnumerable{``0},System.Func{``0,System.Boolean})">
+        <member name="M:LightweightIocContainer.EnumerableExtension.FirstOrGiven``2(System.Collections.Generic.IReadOnlyCollection{``0},System.Func{``0,System.Boolean})">
             <summary>
             Returns the first element of a <see cref="T:System.Collections.Generic.IEnumerable`1"/> that satisfies a condition, or a new instance of a given <see cref="T:System.Type"/> if no such element is found
             </summary>
@@ -68,7 +68,7 @@
             <param name="predicate">A function to test each element for a condition</param>
             <returns>The first element of the <see cref="T:System.Collections.Generic.IEnumerable`1"/> that satisfies a condition, or a new instance of the given <see cref="T:System.Type"/> if no such element is found</returns>
         </member>
-        <member name="M:LightweightIocContainer.EnumerableExtension.TryGetFirst``2(System.Collections.Generic.IEnumerable{``0},System.Func{``0,System.Boolean})">
+        <member name="M:LightweightIocContainer.EnumerableExtension.TryGetFirst``2(System.Collections.Generic.IReadOnlyCollection{``0},System.Func{``0,System.Boolean})">
             <summary>
             Tries to get the first element of the given <see cref="T:System.Collections.Generic.IEnumerable`1"/> or creates a new element of a given <see cref="T:System.Type"/> when no element is found
             </summary>
diff --git a/README.md b/README.md
index 991f878..95480cb 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ A lightweight IOC Container that is powerful enough to do all the things you nee
 The easiest way to [install](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container) the Lightweight IOC Container is by using [NuGet](https://www.nuget.org/packages/LightweightIocContainer/) through the [`.NET CLI`](https://github.com/SimonG96/LightweightIocContainer/wiki/Install-Lightweight-IOC-Container#net-cli):
 
 ```.net
-> dotnet add package LightweightIocContainer --version 4.0.0
+> dotnet add package LightweightIocContainer --version 4.1.0
 ```
 
 ### Example usage
@@ -59,7 +59,7 @@ The easiest way to [install](https://github.com/SimonG96/LightweightIocContainer
 There is the option to install the [LightweightIocContainer.Validation](https://www.nuget.org/packages/LightweightIocContainer.Validation/) package:
 
 ```.net
-> dotnet add package LightweightIocContainer.Validaton --version 4.0.0
+> dotnet add package LightweightIocContainer.Validaton --version 4.1.0
 ```
 
 With this you can validate your `IocContainer` setup by using the `IocValidator` in a unit test: