diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77ce2f6..06c4f21 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@
 
 These are the changes to each version that has been released on the official [Visual Studio extension gallery](https://marketplace.visualstudio.com/items?itemName=unchase.UnchaseOpenAPIConnectedService).
 
+## v1.6.8 `(2021-10-22)`
+
+- [x] Fix [issue #61](https://github.com/unchase/Unchase.OpenAPI.Connectedservice/issues/61) for Visual Studio 2017
+
 ## v1.6.7 `(2021-10-22)`
 
 - [x] Another fix [issue #61](https://github.com/unchase/Unchase.OpenAPI.Connectedservice/issues/61)
diff --git a/src/Common/ProjectHelper.cs b/src/Common/ProjectHelper.cs
index fbfb085..5e5de5d 100644
--- a/src/Common/ProjectHelper.cs
+++ b/src/Common/ProjectHelper.cs
@@ -4,6 +4,7 @@
 using EnvDTE80;
 using Microsoft.VisualStudio;
 using Microsoft.VisualStudio.Shell.Interop;
+using Newtonsoft.Json.Linq;
 
 namespace Unchase.OpenAPI.ConnectedService.Common
 {
@@ -68,15 +69,8 @@ public static string GetFilePath(this ProjectItem item)
         internal static bool IsJson(string input)
         {
             input = input.Trim();
-            try
-            {
-                System.Text.Json.JsonSerializer.Deserialize<object>(input);
-            }
-            catch
-            {
-                return false;
-            }
-            return input.StartsWith("{") && input.EndsWith("}")
+            JToken.Parse(input);
+            return input.StartsWith("{") && input.EndsWith("}") 
                    || input.StartsWith("[") && input.EndsWith("]");
         }
     }
diff --git a/src/Properties/AssemblyInfo.cs b/src/Properties/AssemblyInfo.cs
index c51faa1..ce470cd 100644
--- a/src/Properties/AssemblyInfo.cs
+++ b/src/Properties/AssemblyInfo.cs
@@ -30,7 +30,7 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.2.*")]
-[assembly: AssemblyVersion("1.6.7")]
-[assembly: AssemblyFileVersion("1.6.7.0")]
+[assembly: AssemblyVersion("1.6.8")]
+[assembly: AssemblyFileVersion("1.6.8.0")]
 [assembly: NeutralResourcesLanguage("en-US")]
 
diff --git a/src/source.extension.vsixmanifest b/src/source.extension.vsixmanifest
index 690c413..650d747 100644
--- a/src/source.extension.vsixmanifest
+++ b/src/source.extension.vsixmanifest
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PackageManifest Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vsx-schema/2011" xmlns:d="http://schemas.microsoft.com/developer/vsx-schema-design/2011">
     <Metadata>
-        <Identity Id="Unchase.Openapi.ConnectedService.63199638-6211-4285-ba8f-75b1f0326c2a" Version="1.6.7" Language="en-US" Publisher="Unchase" />
+        <Identity Id="Unchase.Openapi.ConnectedService.63199638-6211-4285-ba8f-75b1f0326c2a" Version="1.6.8" Language="en-US" Publisher="Unchase" />
         <DisplayName>Unchase OpenAPI (Swagger) Connected Service</DisplayName>
         <Description xml:space="preserve">Connected service for Visual Studio to generate OpenAPI (Swagger) web service reference.</Description>
         <MoreInfo>https://github.com/unchase/Unchase.OpenAPI.Connectedservice</MoreInfo>