diff --git a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/CSharpClientCodegen.java b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/CSharpClientCodegen.java
index 9de427058a1..da67bb75785 100644
--- a/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/CSharpClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/com/wordnik/swagger/codegen/languages/CSharpClientCodegen.java
@@ -46,6 +46,7 @@ public class CSharpClientCodegen extends DefaultCodegen implements CodegenConfig
     supportingFiles.add(new SupportingFile("apiException.mustache", 
       (sourceFolder + File.separator + invokerPackage).replace(".", java.io.File.separator), "ApiException.cs"));
     supportingFiles.add(new SupportingFile("Newtonsoft.Json.dll", "bin", "Newtonsoft.Json.dll"));
+    supportingFiles.add(new SupportingFile("RestSharp.dll", "bin", "RestSharp.dll"));
     supportingFiles.add(new SupportingFile("compile.mustache", "", "compile.bat"));
 
     languageSpecificPrimitives = new HashSet<String>(
diff --git a/modules/swagger-codegen/src/main/resources/csharp/RestSharp.dll b/modules/swagger-codegen/src/main/resources/csharp/RestSharp.dll
new file mode 100644
index 00000000000..c1da1b588cd
Binary files /dev/null and b/modules/swagger-codegen/src/main/resources/csharp/RestSharp.dll differ
diff --git a/modules/swagger-codegen/src/main/resources/csharp/compile.mustache b/modules/swagger-codegen/src/main/resources/csharp/compile.mustache
index be16fb1636e..ed4481bb4bb 100644
--- a/modules/swagger-codegen/src/main/resources/csharp/compile.mustache
+++ b/modules/swagger-codegen/src/main/resources/csharp/compile.mustache
@@ -1,2 +1,3 @@
 SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v4.0.30319
-%CSCPATH%\csc /reference:bin/Newtonsoft.Json.dll /target:library /out:bin/{{invokerPackage}}.dll /recurse:src\*.cs /doc:bin/{{invokerPackage}}.xml
\ No newline at end of file
+%CSCPATH%\csc /reference:bin/Newtonsoft.Json.dll;bin/RestSharp.dll /target:library /out:bin/{{invokerPackage}}.dll /recurse:src\*.cs /doc:bin/{{invokerPackage}}.xml
+
diff --git a/samples/client/petstore/csharp/bin/RestSharp.dll b/samples/client/petstore/csharp/bin/RestSharp.dll
new file mode 100644
index 00000000000..c1da1b588cd
Binary files /dev/null and b/samples/client/petstore/csharp/bin/RestSharp.dll differ
diff --git a/samples/client/petstore/csharp/compile.bat b/samples/client/petstore/csharp/compile.bat
index 1ced2568767..63b79e03eed 100644
--- a/samples/client/petstore/csharp/compile.bat
+++ b/samples/client/petstore/csharp/compile.bat
@@ -1,2 +1,3 @@
 SET CSCPATH=%SYSTEMROOT%\Microsoft.NET\Framework\v4.0.30319
-%CSCPATH%\csc /reference:bin/Newtonsoft.Json.dll /target:library /out:bin/IO.Swagger.Client.dll /recurse:src\*.cs /doc:bin/IO.Swagger.Client.xml
\ No newline at end of file
+%CSCPATH%\csc /reference:bin/Newtonsoft.Json.dll;bin/RestSharp.dll /target:library /out:bin/IO.Swagger.Client.dll /recurse:src\*.cs /doc:bin/IO.Swagger.Client.xml
+