diff --git a/Sdk/Sdk.csproj b/Sdk/Sdk.csproj
index f3c9328..707725a 100644
--- a/Sdk/Sdk.csproj
+++ b/Sdk/Sdk.csproj
@@ -15,9 +15,9 @@
     <RepositoryType>git</RepositoryType>
     <PackageTags>payment; gateway, payment gateway; sdk; gpwebpay;</PackageTags>
     <PackageReleaseNotes>Added error values for PR and SR codes to have better error request reason for better debugging.</PackageReleaseNotes>
-    <Version>1.4.3</Version>
-    <AssemblyVersion>1.4.3.0</AssemblyVersion>
-    <FileVersion>1.4.3.0</FileVersion>
+    <Version>1.4.4</Version>
+    <AssemblyVersion>1.4.4.0</AssemblyVersion>
+    <FileVersion>1.4.4.0</FileVersion>
     <!-- Optional: Publish the repository URL in the built .nupkg (in the NuSpec <Repository> element) -->
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <PackageIconUrl>https://github.com/marazt/gpwebpay-net/blob/master/logo.png</PackageIconUrl>
@@ -64,4 +64,4 @@
     <!-- For BitBucket -->
     <!-- <PackageReference Include="Microsoft.SourceLink.Bitbucket.Git" Version="1.0.0-beta-63127-02" PrivateAssets="All"/> -->
 </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/Sdk/Services/PaymentRequestTransformer.cs b/Sdk/Services/PaymentRequestTransformer.cs
index ee45212..a95c879 100644
--- a/Sdk/Services/PaymentRequestTransformer.cs
+++ b/Sdk/Services/PaymentRequestTransformer.cs
@@ -84,11 +84,6 @@ public IList<KeyValuePair<string, string>> GetParametersForDigestCalculation(Pay
             {
                 parameters.Add(new KeyValuePair<string, string>("ADDINFO", paymentRequest.AddInfo.OuterXml));
             }
-            
-            if (paymentRequest.Lang != null)
-            {
-                parameters.Add(new KeyValuePair<string, string>("LANG", paymentRequest.Lang));
-            }
 
             return parameters;
         }
@@ -103,4 +98,4 @@ private static string TransformToAscii (string data, string parameterName)
             return asciiData;
         }
     }
-}
\ No newline at end of file
+}