diff --git a/.autover/changes/a7585946-235a-49be-ad11-12ffb0a89232.json b/.autover/changes/a7585946-235a-49be-ad11-12ffb0a89232.json
new file mode 100644
index 000000000..caa187f14
--- /dev/null
+++ b/.autover/changes/a7585946-235a-49be-ad11-12ffb0a89232.json
@@ -0,0 +1,11 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Lambda.TestTool.BlazorTester",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Update AWS dependencies. This address issues when attempting to use SnapStart APIs from Amazon.Lambda.Core in Lambda functions."
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj b/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj
index 9cab5238c..e3af30633 100644
--- a/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj
+++ b/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/Amazon.Lambda.TestTool.csproj
@@ -9,14 +9,14 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="2.4.0" />
-    <PackageReference Include="AWSSDK.SSO" Version="3.7.300.80" />
-    <PackageReference Include="AWSSDK.SSOOIDC" Version="3.7.301.75" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
+    <PackageReference Include="AWSSDK.SSO" Version="3.7.400.85" />
+    <PackageReference Include="AWSSDK.SSOOIDC" Version="3.7.400.86" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="YamlDotNet.Signed" Version="5.2.1" />
 
-    <PackageReference Include="AWSSDK.Core" Version="3.7.303.20" />
-    <PackageReference Include="AWSSDK.SQS" Version="3.7.300.80" />
+    <PackageReference Include="AWSSDK.Core" Version="3.7.401.5" />
+    <PackageReference Include="AWSSDK.SQS" Version="3.7.400.85" />
   </ItemGroup>
 
 	
diff --git a/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore21/Amazon.Lambda.TestTool.Tests.NETCore21.csproj b/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore21/Amazon.Lambda.TestTool.Tests.NETCore21.csproj
index c2feaf65c..c967bddc1 100644
--- a/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore21/Amazon.Lambda.TestTool.Tests.NETCore21.csproj
+++ b/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore21/Amazon.Lambda.TestTool.Tests.NETCore21.csproj
@@ -12,7 +12,7 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.1.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
diff --git a/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore31/Amazon.Lambda.TestTool.Tests.NETCore31.csproj b/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore31/Amazon.Lambda.TestTool.Tests.NETCore31.csproj
index e9e860ac9..beda0d802 100644
--- a/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore31/Amazon.Lambda.TestTool.Tests.NETCore31.csproj
+++ b/Tools/LambdaTestTool/tests/Amazon.Lambda.TestTool.Tests.NETCore31/Amazon.Lambda.TestTool.Tests.NETCore31.csproj
@@ -10,7 +10,7 @@
 
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="2.1.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/FunctionSignatureExamples/FunctionSignatureExamples.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/FunctionSignatureExamples/FunctionSignatureExamples.csproj
index f8bd12dc2..4fa118831 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/FunctionSignatureExamples/FunctionSignatureExamples.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/FunctionSignatureExamples/FunctionSignatureExamples.csproj
@@ -4,7 +4,7 @@
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
 	<PackageReference Include="Amazon.Lambda.S3Events" Version="1.0.2" />
   </ItemGroup>
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/IntegerFunc/IntegerFunc.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/IntegerFunc/IntegerFunc.csproj
index c7bbd56e4..81d660e5e 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/IntegerFunc/IntegerFunc.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/IntegerFunc/IntegerFunc.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
   </ItemGroup>
 
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/S3EventFunction/S3EventFunction.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/S3EventFunction/S3EventFunction.csproj
index 9c246d91b..34457339f 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/S3EventFunction/S3EventFunction.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/S3EventFunction/S3EventFunction.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
     <PackageReference Include="Amazon.Lambda.S3Events" Version="1.0.2" />
     <PackageReference Include="AWSSDK.S3" Version="3.7.0" />
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessFunctionTemplateYamlExample/ServerlessFunctionTemplateYamlExample.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessFunctionTemplateYamlExample/ServerlessFunctionTemplateYamlExample.csproj
index 161f5ceb3..f2c6b7c42 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessFunctionTemplateYamlExample/ServerlessFunctionTemplateYamlExample.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessFunctionTemplateYamlExample/ServerlessFunctionTemplateYamlExample.csproj
@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.1.3" />
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Logging.AspNetCore" Version="2.0.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.4.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="2.1.1" />
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateExample/ServerlessTemplateExample.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateExample/ServerlessTemplateExample.csproj
index 47b338ce6..dc09c2fa1 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateExample/ServerlessTemplateExample.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateExample/ServerlessTemplateExample.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.1.2" />
 
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateYamlExample/ServerlessTemplateYamlExample.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateYamlExample/ServerlessTemplateYamlExample.csproj
index 50bf1f22e..f1ea47c5b 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateYamlExample/ServerlessTemplateYamlExample.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/ServerlessTemplateYamlExample/ServerlessTemplateYamlExample.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
     <PackageReference Include="Amazon.Lambda.APIGatewayEvents" Version="1.1.2" />
 
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/SourceGeneratorExample/SourceGeneratorExample.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/SourceGeneratorExample/SourceGeneratorExample.csproj
index ddbfa1ba0..712293c78 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/SourceGeneratorExample/SourceGeneratorExample.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/SourceGeneratorExample/SourceGeneratorExample.csproj
@@ -10,7 +10,7 @@
     <PublishReadyToRun>true</PublishReadyToRun>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="2.1.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.SystemTextJson" Version="2.3.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Tools/LambdaTestTool/tests/LambdaFunctions/ToUpperFunc/ToUpperFunc.csproj b/Tools/LambdaTestTool/tests/LambdaFunctions/ToUpperFunc/ToUpperFunc.csproj
index c7bbd56e4..81d660e5e 100644
--- a/Tools/LambdaTestTool/tests/LambdaFunctions/ToUpperFunc/ToUpperFunc.csproj
+++ b/Tools/LambdaTestTool/tests/LambdaFunctions/ToUpperFunc/ToUpperFunc.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
+    <PackageReference Include="Amazon.Lambda.Core" Version="2.5.0" />
     <PackageReference Include="Amazon.Lambda.Serialization.Json" Version="1.1.0" />
   </ItemGroup>