diff --git a/.autover/changes/339148a9-e420-4867-bfd3-758d94f390a5.json b/.autover/changes/339148a9-e420-4867-bfd3-758d94f390a5.json
new file mode 100644
index 0000000..de46642
--- /dev/null
+++ b/.autover/changes/339148a9-e420-4867-bfd3-758d94f390a5.json
@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Extensions.CognitoAuthentication",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Update AWS SDK Dependencies"
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Amazon.Extensions.CognitoAuthentication/Amazon.Extensions.CognitoAuthentication.csproj b/src/Amazon.Extensions.CognitoAuthentication/Amazon.Extensions.CognitoAuthentication.csproj
index 3430733..612c5f4 100644
--- a/src/Amazon.Extensions.CognitoAuthentication/Amazon.Extensions.CognitoAuthentication.csproj
+++ b/src/Amazon.Extensions.CognitoAuthentication/Amazon.Extensions.CognitoAuthentication.csproj
@@ -29,8 +29,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.CognitoIdentity" Version="4.0.0" />
-    <PackageReference Include="AWSSDK.CognitoIdentityProvider" Version="4.0.0" />
+    <PackageReference Include="AWSSDK.CognitoIdentity" Version="4.0.2.4" />
+    <PackageReference Include="AWSSDK.CognitoIdentityProvider" Version="4.0.4.2" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
   </ItemGroup>
 
diff --git a/src/Amazon.Extensions.CognitoAuthentication/Util/CognitoAuthHelper.cs b/src/Amazon.Extensions.CognitoAuthentication/Util/CognitoAuthHelper.cs
index c8ed4db..0e54e58 100644
--- a/src/Amazon.Extensions.CognitoAuthentication/Util/CognitoAuthHelper.cs
+++ b/src/Amazon.Extensions.CognitoAuthentication/Util/CognitoAuthHelper.cs
@@ -148,10 +148,10 @@ internal static List<AttributeType> CreateAttributeList(IDictionary<string, stri
         internal static void ServiceClientBeforeRequestEvent(object sender, RequestEventArgs e)
         {
             WebServiceRequestEventArgs args = e as WebServiceRequestEventArgs;
-            if (args == null || !args.Headers.ContainsKey(UserAgentHeader) || args.Headers[UserAgentHeader].Contains(_userAgentSuffix))
-                return;
-
-            args.Headers[UserAgentHeader] = args.Headers[UserAgentHeader] + " " + _userAgentSuffix;
+            if (args != null && args.Request is Amazon.Runtime.Internal.IAmazonWebServiceRequest internalRequest && !internalRequest.UserAgentDetails.GetCustomUserAgentComponents().Contains(_userAgentSuffix))
+            {
+                internalRequest.UserAgentDetails.AddUserAgentComponent(_userAgentSuffix);
+            }
         }
 
         private static string GetAssemblyFileVersion()
diff --git a/test/Amazon.Extensions.CognitoAuthentication.IntegrationTests/Amazon.Extensions.CognitoAuthentication.IntegrationTests.csproj b/test/Amazon.Extensions.CognitoAuthentication.IntegrationTests/Amazon.Extensions.CognitoAuthentication.IntegrationTests.csproj
index 67ac3af..c8eca38 100644
--- a/test/Amazon.Extensions.CognitoAuthentication.IntegrationTests/Amazon.Extensions.CognitoAuthentication.IntegrationTests.csproj
+++ b/test/Amazon.Extensions.CognitoAuthentication.IntegrationTests/Amazon.Extensions.CognitoAuthentication.IntegrationTests.csproj
@@ -9,12 +9,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.Core" Version="4.0.0" />
-    <PackageReference Include="AWSSDK.IdentityManagement" Version="4.0.0" />
-    <PackageReference Include="AWSSDK.S3" Version="4.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+    <PackageReference Include="AWSSDK.IdentityManagement" Version="4.0.6" />
+    <PackageReference Include="AWSSDK.S3" Version="4.0.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
diff --git a/test/Amazon.Extensions.CognitoAuthentication.UnitTests/Amazon.Extensions.CognitoAuthentication.UnitTests.csproj b/test/Amazon.Extensions.CognitoAuthentication.UnitTests/Amazon.Extensions.CognitoAuthentication.UnitTests.csproj
index f952e5c..3924be4 100644
--- a/test/Amazon.Extensions.CognitoAuthentication.UnitTests/Amazon.Extensions.CognitoAuthentication.UnitTests.csproj
+++ b/test/Amazon.Extensions.CognitoAuthentication.UnitTests/Amazon.Extensions.CognitoAuthentication.UnitTests.csproj
@@ -14,9 +14,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-    <PackageReference Include="xunit" Version="2.9.2" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>