diff --git a/src/Generator/Generators/CLI/CLISourcesTemplate.cs b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
index ac983a80..5453db5c 100644
--- a/src/Generator/Generators/CLI/CLISourcesTemplate.cs
+++ b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
@@ -42,6 +42,10 @@ namespace CppSharp.Generators.CLI
             PushBlock(CLIBlockKind.Usings);
             WriteLine("using namespace System;");
             WriteLine("using namespace System::Runtime::InteropServices;");
+            foreach (var customUsingStatement in Options.DependentNameSpaces)
+            {
+                WriteLine(string.Format("using namespace {0};", customUsingStatement)); ;
+            }
             NewLine();
             PopBlock();
 
diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index 81c766d9..ed531859 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -156,6 +156,10 @@ namespace CppSharp.Generators.CSharp
             WriteLine("using System;");
             WriteLine("using System.Runtime.InteropServices;");
             WriteLine("using System.Security;");
+            foreach (var customUsingStatement in Options.DependentNameSpaces)
+            {
+                WriteLine(string.Format("using {0};", customUsingStatement));;
+            }
             PopBlock(NewLineKind.BeforeNextBlock);
 
             if (Options.GenerateLibraryNamespace)
diff --git a/src/Generator/Options.cs b/src/Generator/Options.cs
index 6a91d9fb..aa09a1ec 100644
--- a/src/Generator/Options.cs
+++ b/src/Generator/Options.cs
@@ -131,6 +131,7 @@ namespace CppSharp
         public bool Is32Bit { get { return true; } }
 
         public List<string> CodeFiles { get; private set; }
+        public readonly List<string> DependentNameSpaces = new List<string>();
     }
 
     public class InvalidOptionException : Exception